Perform the operation and write the result in the standard form.8i(6 - 5i)
A. 48i + 40i2
B. 48i - 40
C. - 48i - 40i2
D. 40 + 48i
Answer: D
Mathematics
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Find the modulus of the number.9i
A. -9 B. 9i C. 9 D. 81
Mathematics
Multiply.(6 - b)(6 + b)(36 + b2)
A. 1296 + b4 B. 1296 - b4 C. 1296 - 144b2 + b4 D. a4 + 144b2 + b4
Mathematics
Solve the problem.The minute hand of a clock is 4 inches long. How far does the tip of the minute hand move in 35 minutes? If necessary, round the answer to two decimal places.
A. 17.17 inches B. 12.92 inches C. 15.89 inches D. 14.66 inches
Mathematics
Convert the number in the sentence to standard notation.The total sales of Acme Manufacturing Company for the years 2004-2006 were $2.9 million.
A. $29,000,000 B. $2,900,000 C. $290,000 D. $2,900,000,000
Mathematics