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Exponents — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSExponents2 Marks
Question
Simplify:
$\Big(\frac{-2}{3}\Big)^7\div\Big(\frac{-2}{3}\Big)^4$
✓

Answer

$\Big(\frac{-2}{3}\Big)^7\div\Big(\frac{-2}{3}\Big)^4$
$\Big(\frac{-2}{3}\Big)^{7-4}=\Big(\frac{-2}{3}\Big)^3$
$=\frac{-2}{3}\times\frac{-2}{3}\times\frac{-2}{3}$
$=\frac{-8}{27}$

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