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anonymous
 one year ago
help!
anonymous
 one year ago
help!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0In an average year America is responsible for about 20,000 kilograms of carbon emission pollution each year. Express this number as a singledigit integer times a power of 10.

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1place a decimal point between the first two digits so we have `2.0`

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1how many places must we move the decimal point to go from `2.0` to `20,000` ?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1yes, we move the decimal point \(\LARGE \color{red}{4}\) spots to the right, so the exponent over the 10 is \(\LARGE \color{red}{4}\) meaning that \[\LARGE 20,000 = 2.0 \times 10^{\color{red}{4}}\]

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1if we move the decimal point to the left, then the exponent would have been negative

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so the answer is 10^4?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1I just showed you the answer

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1443829908625:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1443829923670:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1443829935744:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1443829953929:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1since 2.0 is really the same as 2
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