Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?
-21 ÷ 4
-21 ÷ 5
-20 ÷ 4
-20 ÷ 5

Question

Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the estimate using front-end estimation?  -21 ÷ 4  -21 ÷ 5  -20 ÷ 4  -20 ÷ 5

Amity · Answer

-5.25  -4.2 -5 -4  This is how we solve this problem

Amity · Answer

Answer:   -21/5 = -5.25 or -5   Step-by-step explanation:    It is so because I estimated the -21.87 to -21 because of the 8 being higher than five. I estimated the 4 to 5 because of the 7 being higher than five also.

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