2− (−5) × [(−2) − (−2)] to the power of 2 + (−5) first awenswer get brainiest

Answer:

-3

Step-by-step explanation: The exponent of a number says how many times to use the number in a multiplication.

8 to the Power 2

In 82 the "2" says to use 8 twice in a multiplication,

so 82 = 8 × 8 = 64

In words: 82 could be called "8 to the power 2" or "8 to the second power", or simply "8 squared"

Exponents are also called Powers or Indices.

Some more examples:

Example: 53 = 5 × 5 × 5 = 125

In words: 53 could be called "5 to the third power", "5 to the power 3" or simply "5 cubed"

Example: 24 = 2 × 2 × 2 × 2 = 16

In words: 24 could be called "2 to the fourth power" or "2 to the power 4" or simply "2 to the 4th"

Exponents make it easier to write and use many multiplications

Example: 96 is easier to write and read than 9 × 9 × 9 × 9 × 9 × 9

You can multiply any number by itself as many times as you want using exponents.

PLEASE HELP WILL GIVE BRAINLIEST 20 POINTS
are these answers correct
What is the coefficient of the variable in the expression 2 − 5x − 4 + 8? (3 points)

−5
−4
2
8
2.
(6.03)
Which of the following best describes the expression 4(y + 6)? (4 points)

The product of a constant factor of four and a factor with the sum of two terms
The sum of a constant factor of six and a factor with the product of two terms
The product of two constant factors four and six plus a variable
The sum of two constant factors four and six plus a variable
3.
(6.03)
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4
4.
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5(x + 5)
5x
x5
5 + x + 5 + x + x
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2
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The product of three sums; there are three terms
The sum of three products; there are three terms
The product of three sums; there are six terms
The sum of three products; there are six terms

Fill in the blank with the correct response.

In a standard normal distribution
___% of the data is within 2 standard deviations of the mean.

Points
What conclusion can Ms. Andrews make about the performance of her first- and second-period
classes?
A The first-period class had a higher median score than the second-period class,
B. The second-period class scores had a higher mean than the first-period class scores,
The first-period class scores had a greater range than the second-period class scores,
The second-period class scores had a greater range than the first-period class scores,
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