Express the number in scientific notation.2500
A. 2.5 × 10-2
B. 2.5 × 10-3
C. 2.5 × 103
D. 2.5 × 102
Answer: C
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Calculate. Round to two decimal places if necessary.10
A. 220 B. 1,210 C. 21 D. 110
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
3
A. 15
+ 15
i
B. 5
+ 5
i
C. 50
+ 50
i
D. -500
+ 500
i
Write the word phrase as an algebraic expression. Use x to represent the unknown number.44 decreased by a number
A. 44 + x
B. x - 44
C. 
D. 44 - x
Solve the problem.A woman deposits $286 in the bank, and each month afterward deposits 3% more than the month before. Write the first four terms of the geometric sequence that gives the amount of her deposit each month.
A. $294.58; $303.42; $312.52; $321.90 B. $1.03; $1.06; $1.09; $1.13 C. $286; $858; $2574.00; $7722.00 D. $286; $294.58; $303.42; $312.52