Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Mathematics
Solve the problem.Find the difference of 722 and 97.
A. 625 B. 621 C. 819 D. 525
Mathematics
Divide and reduce to lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use the given substitution to express the given radical expression as a trigonometric function without radicals. Assume that 0 < ? < ?/2.Let x = 3 sin ? in 
.
A. 15 sin ? tan ? B. 15 cos ? tan ? C. 15 sin ? cot ? D. 3 sin2 ?
Mathematics