in scientific notation what is 7 800 000 000

Answer:

7.8 × 10⁹ it says my answer needs to be 20 characters long (ー_ー゛)

please help i dont under stand this

10% of the world’s population is left-handed. If there are 7,400,000,000 people on the planet, how many are left-handed and how many are right handed?

DUE NOW!!!

Jake is hiking a trail that leads to the top of a canyon. The trail is 4.2 miles long, and Jake plans to stop for lunch after he completes 1.6 miles. How far from the top of the canyon will Jake be when he stops for lunch?

Cole took a total of 36 quizzes over the course of 4 weeks. How many weeks of school will Cole have to attend this quarter before he will have taken a total of 45 quizzes? Assume the relationship is directly proportional.

Jerry bought 5 candy bars for $14.75. If the king size candy bars cost $3.75 and a regular size candy bar cost $1.75 , how many of each candy bar did he buy? One equation looks like:
3.75x+1.75y=14.75
Find the other equation and solve the system.

find the difference when 3x^2 -4x +12 is subtracted from -5x^2 +8x-13

This Is a math Problem need some help

A School ordered 357 packages of pencils. If there are 42 teachers, how many packages does each teacher get?

[PICTURE ATTACHED]

help please >w<

i’ll mark whoever gets it right first

List four guidelines for selecting ski boots that fit properly.

What does negative 5 over 2 < −1 indicate about the positions of negative 5 over 2 and −1 on the number line? (1 point)

A. negative 5 over 2 is located on the left of 0 and −1 is located on the right of 0
B. negative 5 over 2 is located on the right of 0 and −1 is located on the left of 0
C. negative 5 over 2 is located on the left of −1
D. negative 5 over 2 is located on the right of −1

What symbol makes this statement true?

5 ___ - 6

A
<

B
≥

C
>

D
≤

PLEASE ANSWER QUICKLY ITS DUE IN 3 MIN LOL
Artaud noticed that if he takes the opposite of his age and adds 39 he gets the number 23. How old is Artaud?

Solve the equation.

x+4/5=3 8/15

Tell whether the events are
independent or dependent. Explain.
1.
You spin a spinner twice.
First Spin: You spin a 2.
Second Spin: You spin an odd number.
2.
Your committee is voting on the leadership team.
First Vote: You vote for a president. Second Vote: You vote for a vice president.
You spin the spinner and flip a coin. Find the
probability of the independent events both
occurring.
3.
Spinning an odd number
and flipping heads
4.
Not
spinning a 5 and flipping tails
You randomly choose one of the tiles. Without replacing the first tile, you
choose a second tile. Find the probability of the dependent event(s) both
occurring.
5.
Choosing a 6 and then a prime number
6.
Choosing two odd numbers
7.
You randomly pull two bills
from your wallet. What is
the probability they are
both $20?
You roll a number cube twice. Find the probability of the compound event.
8.
Rolling two numbers whose sum is 2
9.
Rolling an even number and then an odd number

Solve the graph for x and y

Which is the greatest rate? 2.3% 0.99% 2.25% 1.1%

An apple costs $0.08. How much would 2 dozen apples cost?

a
$16
b
$0.92
c
$1.92
d
$.0.016

HURRY PLEASE The amount of tax for each camera is $5.25 and the tax rate is 6%. Explain how the equation: (Original Cost)(Percent) = Tax Amount is adjusted to solve for the original cost.
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Trying to do some work quickly and I'm stuck on a problem. Here is the question: There are 20 pieces of fruit in a bowl and 8 of them are apples. What percentage of the pieces of fruit in the bowl are apples?

Write an equation in point-slope form for the line that passes through each point.
(-2, 11), vertical line

The student council has decided to have a raffle at the carnival. They came up with a table to show the relationship between the number of tickets bought and the number of raffle entries. Explain why it could be helpful for the student council to determine an equation to represent this data.

Please Helpp Mee! I need it NOW!

Write each phrase or sentence as an algebraic expression or equation. DO NOT use a calculator. Do not write an inequality.

1. 6 more than y

2. times a number

3. 5 less than the product of 10 and c

4. 14 more than 6 times t

5.The sum of x and y is 18

6. A number minus 12 is 7

30.28 kg of beef were placed into 24 packages of equal weight. What is the weight of one package of beef? Please show your work.


Please answer as soon as possible

HELLLLLLLLLLLLLLLLLPPPPPPPPP

1.) In a the heavy weight division boxing match, Mike throws 270 punches in 9 rounds. What is the unit rate of punches per round by Mike?

Miranda has been offered two jobs. The pay at job A would be $750 per month plus 15% of the value of the merchandise she sells. Job B offers $675 per month plus 20% of the value of the merchandise she sells. What value of merchandise must she sell in order to make more money at job B than job A? Which of the following best represents this situation?



A. 750 + 0.15x = 675 + 0.20x

B. 750 + 0.20x = 675 + 0.15x

C. 750 + 0.15x > 675 + 0.20x

D. 750 + 0.15x < 675 + 0.20x

Which expression would be easier to simplify if you used the commutative property to change the order of the numbers?

A. 1/3 + 2/3 + (-1/4)
B. -10 + (-20) + 1/2
C. 30 + (-12) + 70
D. 60 + 40 + (-25)

Kym used the integer tiles to find the sum of (–3) + 6. The line showed that the answer is negative 3. Which of the following does Kym need to do to get the correct answer?