Ch 7 Study Guide

• -200

• -80

• 112

• 88

Answer explanation

Follow PEMDAS. Exponents first, then multiply, then add.

• 0

• 1

• 8

• 80

Answer explanation

EVERYTHING to the power of zero is 1.

• -15

• -125

Answer explanation

This is 5 multiplied by itself 3 times. The negative tells you to flip it down to the bottom of the fraction.

Answer explanation

Flip the fraction (because of the negative exponent) and then multiply it by itself twice.

3/2 * 3/2 = 9/4

• 10000

• -10000

Answer explanation

Flip it (because of the negative exponent) then multiply 10 times itself 4 times

10*10*10*10 = 10,000

• growth

• decay

Answer explanation

The number by the x is less than 1 meaning it will become less than it's original size.

• growth

• decay

Answer explanation

The number by the x is more than 1 so it will be growing.