In a geometric sequence {an}, if a1 = 4 and r = 0.2, the first 4 terms in the sequence are a) {4, .8, .16, .}. eliminate b) {4, 20, 100, }. c) {4, 4.2, 4.4, 4.}. d) {4, 3.8, 3.6, 3.}.

Which is the product of 58 and 1,000? a. 0.058 b. 5,800 c. 58,000 d. 580,000

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor