How many significant digits does the measurement 2000 feet have
2 answers:
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Answer:
No. He wrong in the 1st step . The value of x is -7 and 0 .
Step-by-step explanation:
In order to solve the equation, you have to make the equation equals to zero by substracting 12 to both sides :
Next, you have to factorize and solve it :
Answer:
A single sheet of paper should weigh: <u>0.00645 pound</u> or (in scientific notation)
Step-by-step explanation:
Divide 3.225 (the weight of the ream of paper) by 500 (the amount of paper in a ream).
If you need the scientific notation form, simply move the decimal point/place right or left until you end up with a whole number that is between 1 and 10 (in this case, <u>3 times to the right</u>), then determine what power of 10 it should be, depending on the number of times you moved the decimal place (in this case, the power is <u>-3</u>).
The power/exponent is determined by the direction you have to move your decimal point, right=negative and left=positive. For example, if you started off with the number 6450, you would move the decimal point 3 times to the left and your power would be positive 3, which results in .
Hope this helps!