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Mathematics 15 Online
zarkam21:

?

zarkam21:

1 attachment
Vocaloid:

this formula again|dw:1516686093936:dw|

zarkam21:

10(1/5^n-1

Vocaloid:

"first five terms" n = ?

zarkam21:

5

Vocaloid:

good, so apply the formula for n = 5

zarkam21:

623/500

Vocaloid:

10(1/5^5-1)/(1/5 - 1) = ?

zarkam21:

1562/125

Vocaloid:

good

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