Which is equal to 1/2^3? Choices: (A)2^3 (B)2^-3 (C)(-2)^3 (D)-(-2)^3

Understand expression: Step 1: Understand the expression 1/2^3. Rewrite 1/2^3 using negative exponents. 1 / 2^3 = 2^-3 Rewrite using negative exponents: Step 2: Match the rewritten expression with the given choices. 1 / 2^3 = 2^-3 corresponds to choice (B) 2^-3

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Which is equal to $\frac{1}{2^3}$ ? $\newline$ Choices: $\newline$ (A) $2^3$ $\newline$ (B) $2^{-3}$ $\newline$ (C) $(-2)^3$ $\newline$ (D) $-(-2)^3$

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Math Problems

Grade 8

Understanding negative exponents

Full solution

Q. Which is equal to

\frac{1}{2^3}

\newline

Choices:

\newline

(A)

2^3

\newline

(B)

2^{-3}

\newline

(C)

(-2)^3

\newline

(D)

-(-2)^3

Understand expression: Step $1$ : Understand the expression $\frac{1}{2^3}$ . $\newline$ Rewrite $\frac{1}{2^3}$ using negative exponents. $\newline$ $\frac{1}{2^3} = 2^{-3}$
Rewrite using negative exponents: Step $2$ : Match the rewritten expression with the given choices. $\newline$ $\frac{1}{2^3} = 2^{-3}$ corresponds to choice (B) $2^{-3}$