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Mathematics 16 Online
OpenStudy (anonymous):

Estimate the value of this expression by rounding each number to the nearest whole unit. (1.74)(9.95)(3.46) A. 54 B. 80 C. 72 D. 60

OpenStudy (anonymous):

so what you do is round up or down depending if the decimal is higher then .50 or .5 which are the same thing!

OpenStudy (anonymous):

does 1.74 round up or down?

OpenStudy (anonymous):

UP?

OpenStudy (anonymous):

up*

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

what about 9.95?

OpenStudy (anonymous):

it will also round up

OpenStudy (anonymous):

3.46 wont

OpenStudy (anonymous):

yes and finally the third number rounds down because its closer too 3!

OpenStudy (anonymous):

do you think you understand?

OpenStudy (anonymous):

nope i dont know how to get the answer

OpenStudy (anonymous):

i guess im guessing

OpenStudy (anonymous):

@confluxepic is it 54

OpenStudy (confluxepic):

No. It isn't.

OpenStudy (confluxepic):

It is 60.

OpenStudy (confluxepic):

The first rounds to 2. The second rounds to 10. The third rounds to 3.

OpenStudy (anonymous):

Thanks

OpenStudy (confluxepic):

\[2 \times 10 \times 3=60\]

OpenStudy (confluxepic):

You're welcome.

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