Power of zero and negative exponents

Evaluate -5⁴

Evaluate (-2)⁰

Evaluate (-4)²

Evaluate -1⁴

Evaluate -3²

Evaluate (-10)¹

Which answer choice is in expanded form?

• 2⁵

• 2x2x2x2x2

• Neither of these

Simplify a^-7

• axaxaxaxaxaxa

• -7A

• 1/a⁷

• 1/a^-7

Rewrite using positive exponents: c³·b^-3·7²

• 49/c³b³

• 49c³/b³

• 49c³/b^-3

• c³/49b³

Put in exponential form: (xy)·(-4)·(-4)·(xy)·(-4)·(-4)·(xy)

• 256(xy)³

• -256(xy)³

• (-4)⁴·(xy)³

• None of these