Algebra 1 (Scientific Notation)
posted by *Please Help*
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

Steve
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 110.
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 
* Please Help*
Thank you so much...! this will help me on my final next week...! :)

joe
4.3 x109
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