Solve the problem. Express the answer in scientific notation to two decimals.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 
cubic meters. If the earth could be filled with bacteria, how many would it contain?
A. 5.0 × 10-31 bacteria
B. 2.0 × 1030 bacteria
C. 2.0 × 10-30 bacteria
D. 5.0 × 1031 bacteria
Answer: B
Mathematics
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Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = 4.88 + 0.625x
B. y = 4.88 + 0.525x
C. y = 4.98 + 0.725x
D. y = 4.98 + 0.425x
Mathematics
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Use long division to determine whether the binomial is a factor of f(x).f(x) = 4x3 - 19x2 + 29x - 14; x - 5
A. Yes B. No
Mathematics
Determine whether the following is a difference of squares.x2 + 81
A. Yes B. No
Mathematics