eight probs: scientific notation, evaluation, positive form

aubrey234

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Joined
Mar 19, 2009
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I am having so much trouble with this homework my mean math teacher gave me. I just started learning this stuff and I was away on vacation and she expects me to know this?! Haha anyway if you guys can help me out it would be greatly appreciated.

How can I rewrite the number in decimal form.

1. 8.92635 * 10^8

2.1.6935 * 10^-8

How can I rewrite the number in scientific notation.

3. 0.0000159

4. 168,269.83

How can I evaluate the expression without using a calculator. and Write the
result in decimal form.

5. (8* 10^5) * (1.2 * 10^-4)

6. 8.8 * 10^-1/1.1 * 10^-1

how do I rewrite these expressions in positive form?

7. (8a^-5)^2

8.1/(4b^-6)^2

Thank you sooo very much.
 
Re: Algebra help =]

aubrey234 said:
I am having so much trouble with this homework my mean math teacher gave me. I just started learning this stuff and I was away on vacation and she expects me to know this?! Haha anyway if you guys can help me out it would be greatly appreciated.

How can I rewrite the number in decimal form.

1. 8.92635 * 10^8

Can you rewrite

8.92635 * 10 = ???

8.92635 * 100 = ???

8.92635 * 1000 = ???




2.1.6935 * 10^-8

can you rewrite

1.6935 * 10 = ???

1.6935 * 100 = ???

1.6935 * 1000 = ???


How can I rewrite the number in scientific notation.

3. 0.0000159

4. 168,269.83

How can I evaluate the expression without using a calculator. and Write the
result in decimal form.
5. (8* 10^5) * (1.2 * 10^-4)

6. 8.8 * 10^-1/1.1 * 10^-1

how do I rewrite these expressions in positive form?
7. (8a^-5)^2

8.1/(4b^-6)^2
Thank you sooo very much.

Please show us your work, and exactly where you are stuck - so that we know where to begin to help you.

For a review go to:


http://www.purplemath.com/modules/exponent3.htm
 
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