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Mathematics 17 Online
OpenStudy (anonymous):

1)The particle of dust has a mass of 7.53 x 10^-10 kilograms. Find the weight of 5 billion dust particles

OpenStudy (anonymous):

i got 3765 kilograms

OpenStudy (anonymous):

how u got that?

OpenStudy (anonymous):

multiply 7.53x10^-10 by 5 billion

OpenStudy (anonymous):

But I got 3.765...

OpenStudy (anonymous):

ok how many 0 are in 5 billion?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

The answer is 3.765....

OpenStudy (anonymous):

yep sorry liliegirl is right i forgot the decimal

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