Question

Estimate the product and give the estimated answer. 11.9 x 21.

a. 240
b. 250
c. 260
d. 280

Answer 1

To estimate the product of 11.9 x 21, we round 11.9 to 12 and multiply it by 21, giving us an estimated product of 252. Among the options, the closest estimate is 250.

Step-by-step explanation:

To estimate the product of 11.9 x 21, we can round the numbers to their nearest whole numbers and then multiply. Here's how we can do it step-by-step:

1. Round 11.9 to the nearest whole number, which is 12.
2. 21 is already a whole number, so we keep it as is.
3. Multiply the rounded numbers: 12 x 21.
4. The estimated product is 252.

Among the given options, the closest to our estimated answer is option b, 250. Therefore, the estimated answer for the product of 11.9 x 21 is approximately 250.