Question

Type your answers into the boxes. Without using a calculator, work out the following: √121 = √900 = ∛125 = ∛729

Answer 1

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Answer 2

The required values are: √121 = 11, √900 = 30, ∛125 = 5 and ∛729 = 9

Step-by-step explanation:

Consider the provided numbers.

We need to simplify the numbers.

$\sqrt{121}=\sqrt{11\times 11}=11$

$\sqrt{900}=\sqrt{30\times 30}=30$

$\sqrt[3]{125} =\sqrt[3]{5\times 5\times 5} =5$

$\sqrt[3]{729} =\sqrt[3]{9\times 9\times 9} =9$

Hence, the required values are: √121 = 11, √900 = 30, ∛125 = 5 and ∛729 = 9.

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