Answer: 
, where n is a natural number.
Step-by-step explanation:
A series can be represented in a summation or sigma notation.
Greek capital letter, ∑ (sigma), is used to represent the sum.
For example: 
, where n is a natural number.
The given series : 1,4,9,16 which can be written as 
.
So , we can write it as
, where n is a natural number.
Answer:
Download photomath to picture your math problems.
Answer:
0
Step-by-step explanation:
0 times anything is zero
a. 1.732
because if the number behind the number you are rounding is 5 or greater, you go up a number, but if it is less than 5, then you leave it the same. this applies to both problems.
b. 3.142
Answer:
it's 1/7 I think in fraction form hoped I helped :D
Step-by-step explanation:
1/5 x 5/7 = 1/7 (in simplest form)
