Question

Convert the following to exponential form and apply first law of exponents: 27×81

Answer 1

Hi friend!

Answer:

27 = 3³
81 = 3⁴

27 × 81 = 3³ × 3⁴
$= 3^{3 + 4} \\ = 3^{7} \\ (because \: a^{m} \times {a}^{n } = {a}^{m + n} )$

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Answer 2

Hey mate here is your answer ⤵⤵⤵⤵

$\sf 27×81 \\ \\ \sf =3^3×3^4 \\ \\ \sf =3^{3+4} \:\:\:\: \boxed{ \sf [Using,a^m+a^n=a^{m+n}]} \\ \\ \sf =3^7 \\ \\ \sf =2187$

❤hope it helps you ❤

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