Question

Multiply 0.00032 cm by 4.02 cm and express the answer in scientific notation

Answer 1

0.00032cm*4.02=1.2864 × 10^-3 in scientific notation.

Answer 2

Answer

$1.2864*10^{-3} cm^{2}$

Explanation:

First we multiply as normal:

0.00032 cm * 4.02 cm = 0.0012864 cm²

It is important to multiply the units too which is why centimeters become square centimeters.

Then we write the answer in scientific notation:

$0.0012864 cm^{2} = 1.2864*10^{-3} cm^{2}$