Solve. Round to the nearest hundredth, if necessary.64 is 80% of what number?
A. 80
B. 51.2
C. 800
D. 8
Answer: A
Mathematics
You might also like to view...
Perform the indicated operations. Simplify the answer.
A. 
B. 11
C. 11i
D. i
Mathematics
Solve the problem. Express your answer in scientific notation, and round to one decimal place. The sun radiates energy into space at the rate of 3.9 × 1026 joules per second. How many joules are emitted in two weeks?
A. 4.7 × 1032 joules B. 4.7 × 1026 joules C. 4.7 × 1044 joules D. 4.7 × 1050 joules
Mathematics
Solve the problem.After spending $1,650 for tables and $2,150 for chairs a convention center manager finds that 30% of his original budget remains. Find the amount that remains. Round to the nearest dollar.
A. $3,071 B. $5,429 C. $1,629 D. $1,140
Mathematics
Multiply.(2 + 4i)(6 + 7i)
A. 28i2 + 38i + 12 B. -16 - 38i C. -16 + 38i D. 40 + 10i
Mathematics