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Chapter 1: Q28. (page 10)

Simplify each square root.

卤0.64

Short Answer

Expert verified

The square root of the number is 卤0.8.

Step by step solution

01

Step 1. Write as fraction.

We can write 0.64 as 64100.

02

Step 2. Identify perfect square.

We know that 64=82and100=102.

03

Step 3. Square root of the perfect square.

Since 64=82 and 100=102. So, we can write 卤0.64=卤64100=卤82102.

04

Step 4. Cancel square and square root.

卤82102=卤810

05

Step 5. Simplify the fraction.

We will simplify 810by turning it to decimal.

We know that 810=0.8.

So,卤810=卤0.8

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