Perform the following calculations with the correct number of sig...

Question

Perform the following calculations with the correct number of significant figures. (b) 5.1125 + 0.67 + 3.2

Accepted Answer

Welcome back everybody. We are taking a look at this expression right here and we are told to simplify it while adhering to the rules of significant figures. So first and foremost, let's just perform the operations ahead of us. We have 2.30 to 5 added with 0.44 added with six point two. When you add this we get 8.94-5. But is this expressed in the correct number of significant figures? Well, the rule of significant figures for both addition and subtraction is that we are looking for the lowest number of decimal places. So let's take a look at the decimal places for each of these terms. The number of decimal places for first term 2.30 to is equal to four. The decimal places for a second term of 0.44 is two. The number of decimal places for our third term is of 6. is one. As you can see here one is our lowest number of decimal places. So we need to round this answer to one decimal place. Let's go ahead and do that. We have 8.94-5. And when we round this to one decimal place, we get a final answer of 8.9 corresponding to our answer. Choice of a Thank you all so much for watching. Hope this video helped. We will see you all in the next one

Perform the following calculations with the correct number of significant figures. (b) 5.1125 + 0.67 + 3.2

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