Homework Help: Algebra 1 (Scientific Notation)

Posted by *Please Help* on Thursday, June 28, 2012 at 4:05pm.

How will you write this in scientific notation? if you do not mind explaining how you did it. Thank you!

$15,789,000,000,000

Algebra 1 (Scientific Notation) - Steve, Thursday, June 28, 2012 at 4:09pm
first step: count the trailing zeros. That gives you

15789 * 10^9

But scientific notation requires you to express the product as a power of 10 and a number from 1-10.

15789 is 1.5789 * 10^4
because you have to shift the decimal point 4 places to the left. Now just add the exponents to get

1.5789 * 10^13

To do it all in one go, just count how many places you have to shift the decimal point to arrive at a number between 1 and 10 in front. In this case, if you shift the point 13 places to the left, you end up with 1.5789
Algebra 1 (Scientific Notation) - * Please Help*, Thursday, June 28, 2012 at 4:12pm
Thank you so much...! this will help me on my final next week...! :)
Algebra 1 (Scientific Notation) - joe, Tuesday, September 25, 2012 at 12:43pm
4.3 x109

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