Solve the equation by expressing each side as a power of the same base and then equating exponents.3(1 + 2x) = 243
A. {81}
B. {-2}
C. {2}
D. {6}
Answer: C
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A. 2x + y = 1 B. x - 2y = 10 C. 2x - y = -1 D. 2x + y = -15
Determine the place value of the digit 3 in the whole number.34,770,091
A. ten millions B. millions C. tens D. ten thousands
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A. $8000 invested at 4%; $20,000 invested at 10% B. $10,000 invested at 4%; $18,000 invested at 10% C. $20,000 invested at 4%; $8000 invested at 10% D. $18,000 invested at 4%; $10,000 invested at 10%