Posted by **Jenny** on Wednesday, September 5, 2007 at 4:55pm.

(3*10 to the second power)(1.5*10 the the negative fifth power)

SCIENTIFIC NOTATION: 4.5*10 to the negative third power

My question is what is the standard form I got 4500 but if I look closely at the problem I don't think that's possible please tell me if 4500 is correct

- Algebra -
**Jack**, Wednesday, September 5, 2007 at 5:05pm
(Note: Exponentiation can be expressed with a carat before the exponent: 3*10^2)

4.5 * 10^-3 (/negative/ third) is .0045.

You've got the sign wrong is all.

Just follow order of operations (exponent, then multiply that product by the other term) to get the others.

- Algebra -
**Jack**, Wednesday, September 5, 2007 at 5:07pm
An easier way that I hadn't remembered is to move the decimal point (in 4.5 in this example) to the left (negative) or right (positive) for the value of the exponent (we moved left 3 here).

- Algebra -
**mercedes**, Wednesday, September 5, 2007 at 5:57pm
i need help with my algedra homework can you please help me

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