Write the Expression with Only Positive Exponents $10^{-1}-4^{-1}$ A) $-\frac{1}{6}$ B) $-\frac{20}{3}$ C) $-\frac{3}{20}$

Multiple Choice

Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.
- $10^{-1}-4^{-1}$

A) $-\frac{1}{6}$

B) $-\frac{20}{3}$

C) $-\frac{3}{20}$

D) $\frac{3}{20}$