Evaluate the expression without a calculator. Hint: Change decimals to fractions. $$( 0.1 ) ^ { - 1 }$$
A) 10
B) 9
C) 8
D) 13
E) 6

Question

Quizplus · Accepted Answer

To find the value of $0.1^{-1}$, we need to rewrite it as a fraction with a numerator of 1. Since $0.1=\frac{1}{10}$, we have $0.1^{-1}=\left(\frac{1}{10}ight)^{-1}=\frac{1}{\frac{1}{10}}=10$. Therefore, the answer is $\boxed{	extbf{(A) }10}$.

Evaluate the Expression Without a Calculator (0.1)−1( 0.1 ) ^ { - 1 }(0.1)−1

Evaluate the Expression Without a Calculator $( 0.1 ) ^ { - 1 }$