Tuesday

March 31, 2015

March 31, 2015

Posted by **millli** on Tuesday, March 20, 2012 at 1:12pm.

A. 1.45 × 109 minutes a year

B. 14.5 × 108 minutes a year

C. 1.825 × 103 minutes a year

D. 0.52925 × 1010 minutes a year

E. 5.2925 × 1011 minutes a year

Skip this question for now.

- statistics -
**MathMate**, Tuesday, March 20, 2012 at 5:31pmmillli, for your information, scientific notation can be written as

1.45x10^9, or 1.45x10E9.

So the above choices are really:

A. 1.45 × 10^9 minutes a year

B. 14.5 × 10^8 minutes a year

C. 1.825 × 10^3 minutes a year

D. 0.52925 × 10^10 minutes a year

E. 5.2925 × 10^11 minutes a year

The total number of minutes will therefore be

5 min/person/day * 365 days/year *290x10^6 people

I'll let you do the calculator exercise.

- math -
**rahh**, Thursday, September 13, 2012 at 6:57pmidkk

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