Question 9
LogarithmsSimplify log78 − log72 + log74
- A.0
- B.2 log72
- C.3 log72
- D.4 log72.
Show the answer and explanation
Answer: D (4 log72.)
Explanation
log7(8 ÷ 2 × 4) = log716 = log724 = 4 log72.
Simplify log78 − log72 + log74
Answer: D (4 log72.)
log7(8 ÷ 2 × 4) = log716 = log724 = 4 log72.