Question

multiplying & dividing with significant figures
perform the following
mathematical operation, and
report the answer with the correct
number of significant figures.

58 × 0.7834 = ?

Explanation:

Step1: Calculate the product

$58 \times 0.7834 = 45.4372$

Step2: Count significant figures

58 has 2 sig figs; 0.7834 has 4 sig figs. The result must have the least number of sig figs (2). Round 45.4372 to 2 sig figs.

Answer:

45