Question

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?

Answer 1

–21.87 ÷ 4.79

≈ -20 ÷ 5

≈ -4

Explanation:

front end estimation means to round off to the most left digit.

eg 12 ≈ 10