Question

The laser used in laser vision correction is so s

precise that each pulse can remove 39 millionths of an
inch of tissue in 12 billionths of a second. Write each of
these numbers as a decimal.

Answer 1

Without using standard form the decimals are
0.000039 and 0.000000012

Answer 2

3.9×10^-5 and 1.2×10^-8