Question

Estimate 5.9 * 3.4
a. about 12
b. about 16
c. about 18
d. about 20

Answer 1

C. about 18

Explanation:

Since, We know that,

5.9 is closer to 6,

`5.9 \approx 6`,

And, 3.4 is closer to 3,

`3.4 \approx 3`

Here, the given expression,

`5.9* 3.4`

`\approx 6* 3`

`\approx 18`

Hence, the value of
`5.9* 3.4` is about 18.

Option C is correct.

Answer 2

C) about 18
This is because 5.9 is closer to 6 than 5, so 6 *3.4
Next step: 3.4 is closer to 3 than 4 because it is not 3.5 or over.
6 times 3 is 18 so the answer is about 18!