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Which is the correct product of the significant figures 3278 and 42?

1 Answer

7 votes

Answer:


1.4\cdot 10^5

Step-by-step explanation:

In multiplications or divisions, the result must be written using a number of significant figures equal to the smallest number of significant figures contained in the original numbers.

For instance, in this case the two numbers are:

3278 --> 4 significant figures

42 --> 2 significant figures

So, the product must be written using 2 significant figures.

Calculating the product, we get:


3278\cdot 42=137676

Therefore, using 2 significant figures only, the result is


1.4\cdot 10^5

User Philip Stratford
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