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Exponents and Powers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents and Powers1 Mark
Question
729 = 3_____.
✓

Answer

729 = 36

Solution:

Here, firstly we find out the factors of given expression.

$\begin{array}{c|c} 3 & 729 \\ \hline 3 & 243 \\ \hline 3& 81\\ \hline 3 & 27 \\ \hline 3 & 9 \\ \hline 3 & 3 \\ \hline &1 \end{array}$

So, 729 = 3 × 3 × 3 × 3 × 3 × 3 = 36

$\therefore$ 729 = 36

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