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Exponents and Powers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents and Powers1 Mark
Question
$432 = 2^4 × 3$ _____.
✓

Answer

$432 = 2^4 × 3^3$
Solution:
$\begin{array}{c|c} 4 & 432 \\ \hline 2 & 216 \\ \hline 2 & 108 \\ \hline 2 & 54 \\ \hline 3 & 27 \\ \hline 3 & 9 \\ \hline & 1 \end{array}$
Firstly, we find out the factors of given expression.
$\text { So, } 432=2 \times 2 \times 2 \times 2 \times 3 \times 3 \times 3$
$=2^4 \times 3^3$
$\therefore 432=2^4 \times 3^3$

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