Math Homework help!!!!!!!!!!!?
Favorite Answer
5 x 10 with exponent of 6
5.1 x 10 with exponent of 7
you move the decimal over until you have a number that is between 1 and 10. then you ____ x 10 (exponent is the number of places you moved to the left.
so in order to get one digit in front of the decimal you need to move the decimal point to the right one digit:
.230 -> 2.30 x 10 ^ -1 (or if you want to leave out the zero you could write it: 2.3 x 10 ^ -1)
moving the decimal one digit right makes the exponent -1
Now that one was easy because the decimal was visible. for the other two you have to imagine that there is a decimal at the end so…
5,000,000 -> 5000000.
next move the decimal so there is only one digit in front of it:
5.000000
so this means that you had to move it 6 times to the left so your exponent is pos. 6, you dont need to keep any of the zeros so you can write it as:
5 x 10 ^ 6
and finally the third is the same as the second…
51,000,000 -> 51000000.
51000000 -> 5.1000000
5.1000000 -> 5.1 x 10 ^ 7
FINAL ANSWER: 5.1 x 10 ^ 7
i hope this helps!!!
.230 is 2.3 x 10 ^-1
230 is 2.3 x 10^2
5 x 10^6
5.1 x 10^ 7
.230 = 2.3X 10^-2
5,000,000 = 5X10^6
51,000,000 = 5.1X10^7
5 x 10^6
5.1 x 10^7
5*10^6
5.1*10^7
you have to put a decimal behind the first digit in the number.
then put *10.
the exponent is decided by counting how many times you moved the decimal to make it be behind the first digit.
5,000,000 = 5.0 * 10 ^6
51,000,000 = 5.1 * 10^7
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