The numerical value for (5.6 × 10⁴)÷ (7.89 × 10²)is equal to,with the proper number of significant figures: A)70.976 B)71 C)7.098 × 10¹ D)71.0 E)70.98

Question

Quizplus · Accepted Answer

The calculation simplifies to $ \frac{5.6}{7.89} \times 10^{14-12} = 0.71 \times 10^2 $. When rounded to the correct number of significant figures based on the original numbers (2 significant figures for both 5.6 and 7.89), the answer is 71.

The Numerical Value for (5