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bixtya [17]
3 years ago
9

First use front end rounding to estimate the answer. Then multiply to find the exact answer.

Mathematics
2 answers:
iren2701 [21]3 years ago
4 0

Answer:

Estimated answer = 57.0

Exact answer = 54.04

Step-by-step explanation:

Since 19.3 is lesser than 19.5, it will be rounded down to 19.0

Since 2.8 is greater than 2.5, it will be rounded up to 3.0

<u>Estimated multiplication</u>

19.0 * 3.0 = 57.0

<u>Actual multiplication</u>

19.3 * 2.8 = 54.04

ss7ja [257]3 years ago
3 0

<u>Answer:</u>

Estimate = 57

Exact = 54.04

<u>Step-by-step explanation:</u>

We are given two number which we are to estimate by rounding off by front end and then multiply the exact values.

Front end estimate:

19.3 ---> 19

2.8 ---> 3

19 x 3 = 57

Exact multiplication:

19.3 x 2.8 = 54.04

Using front end rounding, we get an estimate of 57 while multiplying the exact numbers we get 54.04.

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