Find the logarithm using the change-of-base formula.log2 0.424

A. -1.2379
B. -0.8078
C. 4.7170
D. -0.3726


Answer: A

Mathematics

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Express the number in scientific notation.220,000,000,000

A. 2.2 × 1012 B. 22 × 1010 C. 2.2 × 1011 D. 22 × 1011

Mathematics

Divide and write the result in standard form.

A. 3i2 B. -3i C. 3i D. 9i2

Mathematics

Determine whether the infinite geometric series has a limit. If a limit exists, find it.1 +  +  + . . .

A.
B.
C.
D. No limit

Mathematics

Find the value. 

A. 9.834 B. 9.817 C. 10.183 D. 9.799

Mathematics