Tessa had $110 in her checking account. She paid her cable/internet bill for $75. She deposited $50 from her part-time job befor
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The wrong step is step 4, because you only need one conversion.
The formula to convers pounds to kilograms is
Obviously, the inverse formula is
So, you're given an input of 142 pounds. To convert it in kilograms, plug that value into out formula:
and this is the answer you're looking for, so you need no more steps.
This is a geometric series with first term 2 and common ratio -4. The general term of such a series (an) in terms of the first term (a1) and common rato (r) is written as
an = a1*r^(n-1)
The sum is the sum of such terms.
an = a1*r^(n-1)
The sum is the sum of such terms.