If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.The life span of the average male human being is approximately 37,843,200 minutes.

A. 37.8432 × 106 minutes
B. 3.78432 × 107 minutes
C. 3.78432 × 106 minutes
D. 3.78432 × 105 minutes


Answer: B

Mathematics

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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.In the past ten years, the population of a city decreased from 215,000 to  Find the percent decrease.

A. 4,200% B. 2.4% C. 97.7% D. 2.3%

Mathematics

Use the commutative property of addition to rewrite the sum.If 158 + 8539 = 8697, then 8539 + 158 = ?

A. 8381 B. 8539 C. 8698 D. 8697

Mathematics

Find an equation for the ellipse.Center at (0, 0); focus at (0, -3); vertex at (0, 4)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Solve using the quadratic formula. Use a calculator to approximate the solutions to the nearest thousandth.6x2 - 16x + 7 = 0

A. 1.052, 2.615 B. 0.652, 2.215 C. 0.552, 2.115 D. -0.448, 1.115

Mathematics