Bernard weighs 7.5 pounds at birth. assuming his development proceeds normally, he should weigh about _____ pounds by his first
2 answers:
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Answer:
Option 3 is correct that is
Step-by-step explanation:
We have general formula for sum of cube which is
Here, we have a=s and b=6
on substituting the values in the formula we will get
After simplification we will get
After rearranging the terms we will get
which exactly matches option 3 in the given options.
Therefore, option 3 is correct that is