Q. Write the expression as a fraction with a positive exponent. Do not evaluate the expression. 18731
Identify base and exponent: Identify the base and the exponent in the expression 18−73. In 18−73, 18 is the base raised to the exponent −73. Base: 18 Exponent: −73
Apply negative exponent rule: Apply the negative exponent rule to rewrite the expression with a positive exponent.Negative exponent rule: a−m=am1So, 18−73 can be rewritten as 18731.