Find the partial sum of the geometric sequence with the given first term and common ratio.s13, a1 = 8, r = 2

A. 65,528
B. 65,565
C. 65,530
D. 65,508


Answer: A

Mathematics

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Solve the problem.What is the intensity in watt/m2 of a noise measured at 79 decibels? D = 10 log (S/S0), where S0 is 10-12 watt/m2. (Round to 3 significant digits.)

A. 2.7 × 1015 watt/m2 B. 7.94 × 10-5 watt/m2 C. 7.94 × 10-4 watt/m2 D. 7.9 × 10-10 watt/m2

Mathematics

Translate to an equation and solve.  What percent of 200 is 10?

A. 6% B. 5% C. 20% D. 21%

Mathematics

Write the expression in lowest terms.

A. 3 B. 3k2 C. 2k2 D. 2k

Mathematics

Solve using the absolute value property.| 2 - x | = 8

A. {-6} B. {-6, 10} C. {-6, -10} D. {10}

Mathematics