Scientific notation of 5,000,039 is = 5.000039 x 10^6
When we have to write scientific notation then we have to put a point in the given number so that the number comes between 1 and 9. And after that put the power of the ten to how much point you have moved to get the resultant.
If you move a point in left side then power will be negative but if you move the point to the right side the power will be positive.
In order to change something into scientific notation you have to move the decimal place enough times to get the first number to be between 1 and 9. After that, you must count how many space you moved it and that is your exponent. Moving the decimal space to the left gives you a positive exponent. Moving it to the right gives you a negative exponent.
To determine the Earnings of Shelley last week, we need to make relations with the values that are given. We let x as the total amount she earned last week by x and y as the additional amount she earned this week We do as follows:
20% additional amount she earned this week = y / 72 - y y = $ 12
