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Mathematics 20 Online
OpenStudy (anonymous):

The cube root of which of the following numbers is between 4 and 5? A. 60 B. 75 C. 146 D. 21

OpenStudy (welshfella):

4^3 = 64 5^3 = 125 so which one do you think it is?

OpenStudy (welshfella):

what number in the list lies between 64 and 125?

OpenStudy (anonymous):

um 64

OpenStudy (welshfella):

?? 64 is not one of the options

OpenStudy (anonymous):

60

OpenStudy (welshfella):

between 64 and 125

OpenStudy (anonymous):

oh its 75

OpenStudy (welshfella):

right!! if you use ur calculator you;ll se that cube root of 75 = 4.217

OpenStudy (anonymous):

oh okay thank you

OpenStudy (welshfella):

yw

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