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# newbie question watch

1. 0.024 = 2.4 x 10-2 yea?

(just checking, ain't done maths for > 5 months!)
0.024 = 2.4 x 10-2 yea?

(just checking, ain't done maths for > 5 months!)
Yeah thats right, you could have checked on a calculator though.
10-1=0.1
10-2=0.01
10-3=0.001
And so on.
3. k thanks mate.
0.024 = 2.4 x 10-2 yea?

(just checking, ain't done maths for > 5 months!)
A good way to check is to put your 'answer' into the calculator and then subtract your original number. If it comes to zero... then you know the two expressions are equal.
5. Thanks alot steve.

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