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Hey I’ve got the answer for the first question but I’m stuck on this one 5^-3 X 2^-1

Hey I’ve got the answer for the first question but I’m stuck on this one 5^-3 X 2^-1
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13 votes
Hey I’ve got the answer for the first question but I’m stuck on this one 5^-3 X 2^-1

Hey I’ve got the answer for the first question but I’m stuck on this one 5^-3 X 2^-1-example-1
User MisterNox
by
8.2k points

1 Answer

1 vote

Answer:

  • See below

Explanation:

a)

  • 6ˣ = 1/216
  • 6ˣ = 1/6³
  • 6ˣ = 6⁻³
  • x = -3

b)

  • 5⁻³ × 2⁻¹ =
  • 1/5³ × 1/2 =
  • 1/(125×2) =
  • 1/250 or 0.004
User Greg Dean
by
7.3k points
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