Find the sum of 3.0478 and 4.92 using the correct number of significant digits.

A. 7.967
B. 7.97
C. 7.9
D. 8


Answer :

Answer:

Since the least number of digits in the number is 2 decimal places

Round 3.0478 to 2 dp

3.05+4.92=7.97

B is the answer

Step-by-step explanation:

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