A8: Properties of Exponents

Simplify x^-7

• -7
• -7x
• 1/x⁷
• -1/x⁷

Make this negative exponent positive.
9^-3

• 9³
• 1/9^-3
• 1/9³
• 729

Simplify (-9)⁰

• -9
• -1
• 1
• 9

Solve 5^-2

• -10
• 1/25
• 1/(5)²
• -1/10

According to exponent rules, when we multiply powers we _______ the exponents.

• add
• subtract
• multiply
• divide

Simplify.
s^-5 ⋅ s^-2

• s^-3
• ¹/_s⁷
• s^-7
• ¹/_s³

10⁵ x  10⁷

• 10²
• 10³
• 10¹²
• 10¹³

t⁹  x  t⁸

• t¹
• t⁷²
• t¹⁷
• t

(r⁴)⁶

• 10r
• r¹⁰
• 24r
• r²⁴

Simplify: (3x²)³

• 27x⁶
• 9x⁶
• 3x⁶
• 9x⁵