Question

To convert 5.0 cm2 to square meters, which multiply factor should you use?

Answer 1

1 m = 100 cm

1 cm = $\frac{1}{100}$ m

1 cm² = $( \frac{1}{100} )^{2} = \frac{1}{10000}$ m² 

5 cm² = $\frac{1}{10000} * 5 = \frac{5}{10000} = 0.0005$ m²

Hence, 5 cm² is 0.0005 m².