73.2k views
4 votes
Activity

In this activity, you will solve the following problems using the rules for adding and subtracting and multiplying and dividing with significant
figures
Part A
28.97 + 45.876

User Chad Levy
by
6.7k points

2 Answers

3 votes

Answer:

28.97

+ 45.876

74.846

Step-by-step explanation:

Because 28.97 has only two decimal places, round off the answer to two decimal places: 74.85.

User Zlack
by
7.9k points
5 votes

Step-by-step explanation:

We need to add 28.97 and 45.876.

Here, the first no is 28.97 and other no is 45.876

Here, 28.97 is the least precise value and 45.876 is most precise.

28.97 + 45.876 = 74.846

We need to write the final answer such that there is two digit after the decimal. So, 28.97 + 45.876 = 74.85 because 6 is more than 5 i.e. we add 1 to 4.

User Unome
by
8.5k points

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