Write expanded notation.
The population of an African country is 1,584,660.
A. 1 million + 5 hundred thousands + 84 ten thousands + 6 hundreds + 6 tens + 0 ones
B. 1 million + 5 hundred thousands + 8 ten thousands + 4 thousands + 6 hundreds + 60 ones
C. 1 million + 5 hundred thousands + 8 ten thousands + 4 thousands + 6 hundreds + 6 tens + 0 ones
D. 1 million + 584 thousands + 6 hundreds + 6 tens + 0 ones
Answer: C
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Solve.The number G of gears a machine can make varies directly as the time T it operates. If it can make 3702 gears in 6 hours, how many gears can it make in 4 hours?
A. 0.0065 gears B. 2468 gears C. 3712 gears D. 617 gears
Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.
, 
, 
, 
, 
, . . .
A. yes, 
B. no
C. yes, 
D. yes, 2
Write out the first five terms of the sequence.{cn} = 
A. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
B. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
C. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
D. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
Use a calculator to find the function value to four decimal places.cos 27.2°
A. 0.4571 B. -0.4763 C. 0.8894 D. 0.5139