GED Powers and Roots

In the context of math, What are powers?

• A special way to show repeated multiplications

• A special way to show what is wrong with a problem

• A special way to write decimals

• 10

• 36

• 32

• 15

Answer explanation

When raising a base number to a power you are being told how many times to multiply a base number.

2^5 = 2 x 2 x 2 x 2 x 2

this equals 32

• 100

• 479

• 356

• 6561

• 16

• 8

• 24

• 36

Answer explanation

Any number raised by one will be equal to its base number.

• 6

• 60

• 1

• 3

Answer explanation

Any base raised to the 0 power will be 1. All numbers except 0.

• 16

• -16

Answer explanation

When a base is raised to a negative power will always be a fraction. You will place a 1 as the numerator and the problem as a positive denominator.

4^-2 = 1/4^2 = 1/4 x 4 = 1/16

Which is the square root symbol?

What phrase relates to the square root?

• "The number that is triple the value in the bracket"

• "What number multiplied by itself is equal to the number in the bracket?"

• 10

• 12

• 13

• 14

Answer explanation

Twelve can multiply by itself to equal 144

12 x 12 = 144

• 2

• 4

• 1

• 16

Answer explanation

Two can multiply by itself and equal 4

2 x 2 = 4