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Exponents — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsExponents2 Marks
Question
Write the following numbers in usual form:
$1.8 \times 10^{-2}$
✓

Answer

$1.8\times10^{-2}$
$=\frac{18}{10}\times\frac{1}{10^{2}}$
$=\frac{18}{10\times10^2}$
$=\frac{18}{10^{(1+2)}}$
$=\frac{18}{10^3}$
$=\frac{18}{1000}=0.018$

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