Question

Work out an estimate for the value of √81.3 × 98.8

Answer 1

Answer: 900

Explanation:

To estimate the value of √81.3 × 98.8, we can first simplify the expression inside the square root:

√81.3 ≈ √81 = 9

Then, we can estimate the product of 9 and 98.8 by rounding 98.8 to 100 and multiplying:

9 × 100 = 900

Therefore, an estimate for the value of √81.3 × 98.8 is approximately 900.

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Answer 2

We can estimate the value of
`√(81.3)` as approximately
`9` and the value of
`98.8` as approximately
`100`. Then we have:

`{√(81.3) * 98.8 \approx 9 * 100 = \boxed{900}}`

This is a rough estimate of the actual value, but it should be close enough for most purposes.

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