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natima [27]
4 years ago
10

Using the rules for significant figures, what do you get when you add 24.545 and 307.3

Mathematics
1 answer:
labwork [276]4 years ago
4 0
When you add and subtract with sig figs, you add the two numbers first:

24.545+307.3=331.845

You then count the number of sig figs in each original number, and the answer will be the one with the least number of sig figs. In this problem, 307.3 has the least amount of sig figs, which is 4.

Round the answer so that it has 4 sig figs:

331.845 --> 331.8

The answer is 331.8
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Answer:

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That means....

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Another important fact is that two angles that are intersected by a line in the case 64 and m always add up to 180 degrees.

So m + 64 = 180

Let's start with 73 + 83 + x = 180

If you add 73 and 83 you get 156

x + 156 = 180 then subtract 156 from both sides and

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Then use m + 64 = 180 subtract 64 from both sides and

m = 116

z + m + x = 180 become

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Check to make sure m + x + z = 180

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y + 40 + 64 = 180

40 + 64 = 104 so

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Nezavi [6.7K]

Answer:

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