Answer the question.What does the digit 2 mean in the number 189,247?

A. 2 thousands
B. 2 tens
C. 2 hundred thousands
D. 2 hundreds


Answer: D

Mathematics

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?Which of the following is not equivalent to 8÷2

A.

?8×


B.

?×


C.

?×


D.

?×2


E.

?None of the above.


Mathematics

Solve the system. x + y + z = 5 x - y + 2z = -34x + 4y + 4z = -7

A. {(5, -4, 4)} B. {(5, 4, -4)} C. ? D. {(-4, 4, 5)}

Mathematics

Find the average value of the function over the region.f(r, ?, z) = r over the region bounded by the cylinder r = 4 between the planes z = -8 and z = 8

A. 4
B. 6
C. ?
D.

Mathematics

Write the decimal as a percent.0.067

A. 67% B. 6.7% C. 0.67% D. 0.067%

Mathematics