Question

find the decimal form of 1/2 + 1/22 + 1 23​

Answer 1

Answer:

To find the decimal form of

1 1x5 S

-0.5

2 25 10

1x5 25

22 25

25 100

1 1xS 125

2'*5' 1000

N|- - -

-0.25

0.125

1

1

+

2 2

22 23

5 25 125

+ +

10 100 1000

0.5 +0.25 +0.125 0.875

1

1 1

Like this, find the decimal form of

1/5²=1*2²/5²*2²=?=?

1/5³=?=?=?

1/5+1/5²+1/5³=?+?

Answer 2

Answer:

What is 1/(1)*(2) + 1/(2)*(3) + 1/(3)*(4) + /1(4)*(5) + /1(5)*(6) + 1/(6)*(7) + 1/(7)*(8) + 1/(8)*(9) + 1/(9)*(10)?

2/5

3/5

7/10

46/55

9/10

Hi,

I want to know what is the best way to solve this question in 2min, please.