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I'm really confused as to how they got 3.16? I don't this equation loads of times and I've always ended up with 3.10, can someone please explain this to me?

off-topic
 Nov 6, 2019

Best Answer 

 #1
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It is just simple multiplication and division !

 

[3.10  x  1] / 98.09 =0.0316036........etc. Then this is written in scientific notation as follows:

3.16 x 10^-2 - and that is it. Notice that the power of 10 is - 2, because you are moving the decimal point 2 places to the right, hence 10^ -2.

 Nov 6, 2019
 #1
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+2
Best Answer

It is just simple multiplication and division !

 

[3.10  x  1] / 98.09 =0.0316036........etc. Then this is written in scientific notation as follows:

3.16 x 10^-2 - and that is it. Notice that the power of 10 is - 2, because you are moving the decimal point 2 places to the right, hence 10^ -2.

Guest Nov 6, 2019
 #2
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oh, I must of overcomplicated things, thanks!

Guest Nov 6, 2019

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