Question
Obtain an estimate for the following computation by rounding the numbers so that the resulting arithmetic can easily be performed by hand or in your head. Then, use a calculator to perform the
computation. How reasonable is your estimate when compared to the actual answer?
An estimate of the difference is 18 . (Type a whole number.)
The actual difference is
computation. How reasonable is your estimate when compared to the actual answer?
An estimate of the difference is 18 . (Type a whole number.)
The actual difference is
Ask by Sullivan Moran. in the United States
Jan 23,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The actual difference is 18.271.
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Beyond the Answer
To obtain an estimate, we round
to
and
to
. So,
, which is a quick mental calculation!
Now, calculating the actual difference:
.
Comparing both, the estimate of
is pretty reasonable as it’s very close to the actual answer,
, indicating our rounding strategy worked well!