Question

question 4 (1 point) listen after carrying out the operation (13.7 + 0.027) ÷ 8.221, how many significant figures appropriate to show in the result? a) 1 b) 2 c) 3 d) 4 e) 5

Explanation:

Step1: Calculate the sum inside parentheses

$13.7 + 0.027 = 13.727$

Step2: Apply addition sig fig rule

Round the sum to 1 decimal place (matches 13.7's precision): $13.7$

Step3: Perform the division

$13.7 \div 8.221 \approx 1.666$

Step4: Apply division sig fig rule

The result takes the least number of sig figs from the terms (3 sig figs from 13.7).

Answer:

c) 3