`1+2/3xx1/2+2/3xx5/6xx1/(2^2)+2/3xx5/6xx8/9xx8/9xx1/(2^3)+...oo`

(1/4xx2/3)xx5/6=...xx(2/3xx5/6)

1/2xx 5/4 + 6/8 xx 10/9

1xx3xx5xx7xx9xx...xx(2n-1)=

Perform the following multiplication a) 2/9 xx 7/8 xx 1/9 b) 1/3 xx 4/5 xx 1/4 c) 1/3 xx 2/4 xx 5/3 d) 1/2 xx 1/3 xx 1/4 e) 1/5 xx 2/5 xx 2/3 f) 2/3 xx 5/6 xx 1/4

Simplify: ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (3/(11)xx5/6)-(9/(12)xx4/3)+(5/(13)xx6/(15))

Simplify: (i) ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (ii) (3/(11)xx5/6)-(9/(12)xx4/3)+(5/(13)xx6/(15))

Find the number of zeros st the end of the product of the expression 2^1xx5^2xx2^3xx5^4xx2^5xx5^6xx2^7xx5^8xx2^9xx5^10 .

Simplify: (1/2 xx 2/3)/(1/2 xx 2/3+3/8 xx 1/3)