Complete the ratio to convert the units of measure from centimeters to inches or inches to centimeters

Multiply your length value by 2.54. one inch is equal to roughly 2.54 centimeters, so converting inches to centimeters means multiplying a value in inches by 2.54.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.