Question

Question 3(v)
Express the number appearing in the following statements in standard form:
Thickness of a thick paper is 0.07 mm.

Answer 1

$Thicknessofathickpaper=0.07mm=\frac{7}{100}mm=\frac{7}{{10}^2}mm=7\times {10}^{-2}mm[\because a^{-m}=\frac{1}{a^m}]$