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Powers and Roots Practice Test 3

Question : 14 of 40

Marks: +1, -0

\sqrt{18225} = 135

\sqrt{18225} + \sqrt{182.25} + \sqrt{1.8225}

Solution:

Concept:

Shifting the decimal point in the number shifts the square root by half as many places.

Explanation:

It is given that

\sqrt{18225}=135

For

\sqrt{182.25}

, the decimal shifts

2

places left, so the root becomes

13.5

For

\sqrt{1.8225}

, the decimal shifts

4

places left, so the root becomes

1.35

Now add all three values:

135+13.5+1.35=149.85

Answer:

\boxed{149.85}

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