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# Bruce Alan M.

## Professor BAM (Tutors ALL of Long Island: Nassau + Suffolk)

### Syosset, NY (11791)

30 miles
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## Bruce Alan's Resources

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0.00032 ^ -2/5 (answer)

An exponent following a value has 3 parts, which mean threee very different things: 1.)  The denominator (on "top") is the "POWER" that the value is raised to (2 for squared, 3 for cubed, etc.) 2.)  The numerator (or "bottom") is a "ROOT"...

IF your expression "a-2 b-3" is meant to be "(a-2)(b-3)" then Bill is correct, and the answer is -5 when a is 3 and b is -2. However, if you mean"a - 2b -3" then, substituting the values you gave for a=3 and b=-2, that would be "3 - 2(-2) -3" which is...

The sign (positive or negative) is completely independent of the magnitude of the fraction (or the repeating decimal) -- which means that you can ignore the signs when dividing, then decide whether it is postive or negative by counting how many minus signs there are in front of the numerator...

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(ex: algebra, chemistry)