Answer:
1.25
Step-by-step explanation:
The sum will be:
sigma(i = 1 to infinity, 30*(2/5)^i)
->

Which is equal to 30/(3/5) = 50
A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n. Examples are 1/1, 1/2, 1/3, 1/4 ,1/5, etc.
Answer:

Step-by-step explanation:
Let's look at the prime factors of 210.
210 = 2 * 3 * 5 * 7

Since no factor appears more than once, this radical cannot be simplified.
Answer:
bbbbbbbeeeeeeeeettttttttt