Question

Evaluate 1) part 5⁵×5-⁶×5⁷ (2) part 18×3⁰×5³×2²​

Answer 1

$(i) {5}^{5} \times {5}^{ - 6} \times {5}^{7}$

$\: \: \: = {5}^{5 - 6 + 7}$

$\: \: \: = {5}^{6}$

$\: \: \: = 3125$

$(ii)18 \times {3}^{0} \times {5}^{3} \times {2}^{2}$

$\: \: \: \: \: = 18 \times 1 \times 125 \times 4$

$\: \: \: \: \: = 9000$

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