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
Estimated multiplication
19.0 * 3.0 = 57.0
Actual multiplication
19.3 * 2.8 = 54.04
Answer:
Estimate = 57
Exact = 54.04
Step-by-step explanation:
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.
