Write a word name for the number in the sentence.Astronomers predicted that it would take 900,070,000,100 earth years for the newly found supernova to make one revolution around the center of its galaxy.
A. Nine hundred million, seventy thousand, one hundred
B. Nine hundred billion, seventy million, one hundred
C. Nine hundred seventy thousand, one hundred
D. Ninety billion, seven hundred million, one hundred thousand
Answer: B
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Use the exponential key to find an approximation to the nearest thousandth.0.44.527
A. 1.6 B. 419.993 C. 0.016 D. 1.811
Set up the iterated integral for evaluating 
Dover the given region D.D is the rectangular solid whose base is the triangle with vertices at 
and 
, and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Solve the problem.Within an area code, phone numbers consist of 7 numbers. If none of the first three numbers can be 0 or 1, how many different phone numbers are possible within an area code?
A. 2,097,152 B. 100,000 C. 10,000,000 D. 5,120,000
Write each whole number in expanded form.8020
A. 80,000 + 2000 B. 8000 + 20 C. 800 + 2 D. 802,000