Answer:
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Step-by-step explanation:
Formula for surface area of a sphere of radius r is A = 4pi*r^2.
The same formula, for the case where the radius is 2.45 times greater, comes out to A = 4pi*[2.45r]^2.
Just find the ratio of
4pi*r^2 to 4pi*[2.45r]^2. It is 1/6.
Answer:
A numeral is a symbol or name that stands for a number.
Examples: 3, 49 and twelve are all numerals.
So the number is an idea, the numeral is how we write it.
Step-by-step explanation:
