`-7/3xx-7/3xx-7/3xx-7/3xx-7/3`

Express each of the following in exponential form: (i) (-5)xx(-5)xx(-5) (ii) (-5)/7xx(-5)/7xx(-5)/7xx(-5)/7 (iii) 4/3xx4/3xx4/3xx4/3xx4/3

Simplify and express each of the following as power of a rational number: (2/3)^3xx(-6/7)^2xx(-7/4)xx3/2

5/7xx5/7xx5/7xx5/7xx5/7xx5/7

(-5/7)xx(-5/7)xx(-5/7)xx(-5/7)

(-5/7)xx(-5/7)xx(-5/7)xx(-5/7)

Simplify and write the in the exponential form: ((-3)^(3)xx7^(4)xx7)/(3^(2)xx7^(2))

(1/3xx1/5)/(1/3xx1/5+1/3xx1/6+1/3xx1/7)

Simplify and write the in the exponential form: (2^(4)xx2xx7^(3)xx7^(6))/(2^(3)xx7^(4))

Find the value of (18^3+7^3+3xx18xx7xx25) /(3^6+6xx243xx2+15xx18xx4+20xx27xx8+15xx9xx16)

Find the sum of infinite series (1)/(1xx3xx5)+(1)/(3xx5xx7)+(1)/(5xx7xx9)+….