Homework Help: statistics

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

Bill spends an average of 5 minutes each day waiting in lines. If Bill is typical of the 290 million people in the United States, which of the following expresses the approximate combined amount of time these people spend annually waiting in line?

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 5:31pm
millli, 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 6:57pm
idkk

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