Make the required change in the given equation.z = x2 + y2 to cylindrical coordinates
A. r = cot ? csc ?
B. z = r2(cos ? + sin ?)
C. z = r2
D. r tan ? = 1
Answer: C
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
Write 
in decimal notation.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the prime factorization of the number. If possible, write the answer two ways: with and without exponents.25
A. 2 ? 5 ? 5 or 2 ? 52 B. 5 ? 5 or 52 C. 2 ? 5 D. 5 ? 5 ? 5 or 53
Mathematics
Find the area of the region.
9 mi
A. 77 sq mi B. 36 sq mi C. 84 sq mi D. 81 sq mi
Mathematics