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Question 29
Select the missing number at question mark (?) from the given responses.
$$(123)^{2.5} \div (123)^{?} = 123$$
Solution
Expression : $$(123)^{2.5} \div (123)^{?} = 123$$
=> $$\frac{123^{2.5}}{123^x} = 123$$
=> $$123^x = \frac{123^{2.5}}{123}$$
=> $$123^x = 123^{2.5 - 1} = 123^{1.5}$$
=> $$x = 1.5$$
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