Question

What is 27 ÷ 10–^4?



A.
0.0027


B.
0.027


C.
270,000


D.
2,700,000

Answer 1

\(\bf \large a^{-{\color{red} n}} = \cfrac{1}{a^{\color{red} n}}\\ \quad \\ \quad \\
27 \div 10^{-4}\implies 27 \div \cfrac{1}{10^{{\color{red}{ 4}}}}\implies 27\times \cfrac{10^{{\color{red}{ 4}}}}{1}\)