Question

select the correct answer.
using the rules for significant figures, what do you get when you subtract 15.54 from 508.9538?
a. 493
b. 493.4
c. 493.41
d. 493.413
e. 493.4138

Explanation:

Step1: Perform the subtraction

$508.9538 - 15.54 = 493.4138$

Step2: Apply sig fig rules

For subtraction, round to the least number of decimal places in the inputs. 15.54 has 2 decimal places, so round 493.4138 to 2 decimal places: $493.41$

Answer:

C. 493.41