Question

1. Write the following decimal fractions as decimal numbers:
531
422
58301
(1)
(ii)
(iii)
10.
100
1000
7
3
37
(iv)
10
100
(vi)
1000
(v)​

Answer 1

n(n+1)(2n+1)/6

sum of squares of the first 10 natural numbers.​ = 385The sum of squares of first n natural numbers is given by

n(n+1)(2n+1)/6

sum of squares of the first 10 natural numbers.​ = 385

Step-by-step explanation:

Answer 2

Answer:

sum of the first natural number = 385

Step-by-step explanation:

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