Mathematics Middle School

My question is when multiplying scientific notations, after taking say, (8.2 * 4.5) and (10^9 * 10^-5) are you multiplying the 8.2 * 4.5, or adding?

Answers

Answer 1

Answer:you are adding them

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

I am not sure if this is what you are asking

8.2*4.5 *[tex]10^{9} *10^{-5}[/tex] = 36.9 *[tex]10^{9-5}[/tex] = 3.69 *10*[tex]10^{4}[/tex]=3.69*[tex]10^{5}[/tex]

Related Questions

Can somebody please help

Answers

1. 600
2. 650
3. 400
4. 2,500
5. Handball and Bicycling
6. 1,650
7. Swimming and Walking
8. 3-hour walk
9. Cross-Country Skiing
10. 8
11. about 7
12. 12
13. 1-5 million

What is 70% of $500 dollars ? That is how much money you get to keep from your check after paying taxes ( on average)

Answers

Answer:

350 U.S. dollars

If you looked it up on the internet you would've gotten the same answer.

70% of $500 is $350 hope it helps

Danielle bought a new diary for $12.80. She paid with a $20 bill. How much change did she get back? A. $32.80 B. $8.20 C. $7.20 D. $7.10

Answers

Answer:

c

Step-by-step explanation:

C

Steps:

$20 convert to decimal which is 20.00

20.00 - 12.80 = 7.20

35, 28, 21, 14... write an explicit formula for the nth term a n

Answers

Answer:7 will be next

Step-by-step explanation:

Points (−6, 3) and (−6, −3) on the coordinate grid below show the positions of two dogs at a park: A coordinate plane is shown. There is a point at negative 6, 3 labeled Dog 1. There is a point at negative 6, negative 3 labeled Dog 2. Which statement best describes the relationship between the positions of the two players?

Answers

Answer:

It is an undefined slope

Step-by-step explanation:

It has a slope of 0/6, meaning it is an undefined slope. Since it is an undefined slope it will draw a vertical line.

It’s undefined slope

The sum of two numbers is 35. The difference of these two numbers is 17. Find the two numbers.

Answers

Answer:

x + y = 35

17 + y + y = 35

17 + 2y = 35

2y = 18

y = 9

x + y = 35

x + 9 = 35

X = 26

Step-by-step explanation:

Answer:

26

Step-by-step explanation:

Sum = 26 + 9 = 35

Please Show Work.


The Touring Bridge crosses the Arkansas River at a 36-degree angle to the river on one side. The river banks are parallel to each other. What is the angle the bridge makes with the river on the other side?

Answers

Answer:

The answer is 144°

Step-by-step explanation:

180 - 36 = 144

Answer is 144° bye

SOLVE THIS ASAP DONT ANSWER JUST FOR POINTS(SHOW YOUR WORK AND ANSWER IN A DIFFERENT PAPER) I am aware you can’t draw in brainly

Answers

Answer:

sorry but this is very easy :)

125!

Step-by-step explanation:

7x 1000

Aidan is having a birthday party and 25 people will be at the party. The ice cream truck is coming to deliver ice cream treats. The price of one treat is $1.70. How much will it cost for everyone to have one ice cream treat? *

Answers

Answer:

$42.50

Step-by-step explanation:

1.70x25

42.5 i think oh and btw u could do this on the calculator

What is 1.67 rounded to the nearest whole number?

Answers

Answer:

2

Step-by-step explanation:

1.67 is closest to 2

Answer:

2

Step-by-step explanation:

Fernando has been saving money to buy an e–book reader. A store has just marked down the price of its readers by 40%. Each reader comes with a mail-in rebate for $25.
If the reader used to cost $150, what will Fernando's final price be after the markdown and rebate?
Complete each step to solve the problem.
1. How much money will Fernando save because of the 40% markdown? Show your work.

Answers

Answer:

your answer is $85

he also saved $90

Step-by-step explanation:

Answer:

Fernando will save $90

Step-by-step explanation:

Need some help here... Image below. Please try and explain how you get the answer, as I do want to try and learn the material.

Answers

Answer:

i think you divide 100 by 60 to get the answer for number 14 but im not sure

Step-by-step explanation:

$60 for 100 and $65 for 150

Graph 3x-4=12 using intercepts

Answers

If I graphed this, it would be a perfectly straight line with no curves or bends.

Please help thank you it’s graphing ratio tables

Answers

Answer:Under

Step-by-step explanation:

On top: Under↓

1:$3

2:$6

3:$9

4:$12

5:$15

Hope this helps! 1 Bracelet=$3

Relation or Function?

Answers

Answer:

k,l,m =Functions n= relation

Step-by-step explanation:

Image below please answer for brainleiest

Answers

The domain is (0,-5) and range is (0,-7) the y is the range and the x is the domain
I think
Domain: -6_< x_< 4 Range:4_< y _< -7

Kaylen wants to download 9 songs on iTunes. Each song costs $1.29. How much money does she need?

Answers

Answer:

$11.61

Step-by-step explanation:

1.29 x 9=$11.61 its just multiplicationg, have a great day!!

Answer:

$11.61

Step-by-step explanation:

Songs to be downloaded=9

Cost of Each=$1.29

So to solve this you will multiply By the amount of song by the cost of each.

So it's going to be;

$1.29×9

Which has its product as;

$11.61

So Therefore Kaylen will need $11.61

Raj used 4 3/4 cups of sugar for each batch of muffins. He made 3 1/2 batches. Raj used 16 5/8 cups of sugar altogether.

Answers

Answer:

It is true!

Step-by-step explanation:

Answer: its true you just need to add

Step-by-step explanation:

Can you please do all 4 and give me the 4 letter code.

Answers

If you want I can show you how to solve it

CAHF first slope is 2, second is -3, third is 5, fourth is 1

Danny used the following table to write his equation :
The equation Danny wrote was
Y=16x + 4. Explain what he did wrong and how to fix it.

Answers

The answer to the problem is 36

Parallel Lines m and n are cut by Transversal t as shown.

Answers

what’s the question lol
6 and 5 answer I need point please

Renting video games from Store S costs $2.50 per game plus a monthly fee of $5.00. Renting video games from Store T costs $5.00 per game with no monthly fee. The monthly cost to rent video games depends on the number of video games, v, rented. Which inequality represents the situation when the monthly cost at Store S is less than the monthly cost at Store T?

A. 2.5v + 5 < 5v

B. 2.5v + 5 = 5v

C. 7.5v < 5v

D. 7.5v = 5v

Answers

I believe it is B. Sorry I’m not the best at math but hope this helps !!

Please help, which ones are correct?

Answers

Answer:

I beleive it is D

Step-by-step explanation:

Answer:

not completely sure but i think its d t= (1/6)t

angle Relationships error analysis

Answers

Answer:

20

Step-by-step explanation:

Im not dumb at least i dont think so but why would she use 180? Its not a triangle and its not a straight line sooo... wouldn't it be

5x = 100

5x/5 = 100/5

x = 20

the mistake is that you put 180 and its an angle relationship so its not 180 (a straight line)

order from least to greatest; 5/8, 11/16, 1/2

Answers

Answer:

1/2 5/8 11/16

Step-by-step explanation:

i hope this is right for you good luck

Answer:1/2, 5/8, 11/16

Step-by-step explanation:

i hope this helps

Mrs. Jones has a kitten and a puppy. The kitten weighs 3 pounds 9 ounces, and the puppy weighs 4 pounds 8 ounces.

How many ounces do the kitten and the puppy weigh together?

A.
157 ounces
B.
129 ounces
C.
87 ounces
D.
101 ounces

Answers

Answer:

The answer is B

Step-by-step explanation:

Promiscuous girlllll you teassinggg meee

Please help? answer both, tysm and enjoy your day!!

Answers

C and a hope this helps :)

Look at this coordinate plane.

Which equation can be used to find the y-coordinate of point B?

A. y1=23


B. y2=56


C. y−12=46


D. y−12=y−54

Answers

It may be B . Or it may even be wrong

im posting it right know for 60 points good luck

Answers

Answer:

Got it thx.

Step-by-step explanation:

Okay :)))))))))))))))))))

guys pls help me.........

Answers

What seems to be your problem? Are you okay? I hope everything is all right :)
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