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Exponents and Powers — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents and Powers2 Marks
Question
Write the following numbers in the expanded forms.
279404
✓

Answer

Expanded form of 279404
$=2 \times 100000+7 \times 10000+9 \times 1000+4 \times 100$ $+0 \times 10+4 \times 1$
$=2 \times 10^5+7 \times 10^4+9 \times 10^3+4 \times 10^2+0 \times 10^1$ $+4 \times 10^0 \quad\left[\because 10^0=1\right]$

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