Ericamazin
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by adding or subtracting the values of the digits in the front place
The answer is limited to the number with the fewest digits of precision (digits after the decimal point). (2 digits of precision)
Because when adding or subtracting, the operations must take account of the place values of individual digits in the numbers. When multiplying, only the overall order of magnitudes are relevant for placing the decimal point in the product.
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
You do by subtracting one from the previous number and adding 10 to the top number of the digits you are regrouping. Subtract those two digits and you should get your answer.
same number of significant digits
by adding or subtracting the values of the digits in the front place
as many as needed to satisfy the accuracy needed.
The answer is limited to the number with the fewest digits of precision (digits after the decimal point). (2 digits of precision)
Because when adding or subtracting, the operations must take account of the place values of individual digits in the numbers. When multiplying, only the overall order of magnitudes are relevant for placing the decimal point in the product.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
The simplest way is to line up the numbers so that their decimal points are aligned, and corresponding digits are also aligned according to their place value.
You line the number up, vertically, so that the decimal points are one below the other.
64
Alberto