10^(2y)=25" d) "10^(-9)cot100

If 10^(2y)=25, then 10^(-y) equals -(1)/(5)(b)(1)/(50) (c) (1)/(625) (d) (1)/(5)

If 10^(2y)=\ 25\ , then 10^(-y) equals (a) -1/5 (b) 1/(50) (c) 1/(625) (d) 1/5

Find the value of (cot 25^(@)+cot 55^(@))/(tan 25^(@)+tan55^(@))+(cot 55^(@)+cot 100^(@))/(tan 55^(@)+tan 100^(@))+(cot 100^(@)+cot 25^(@))/(tan 100^(@)+tan 25^(@))

If (10^(12)+25)^(2)-backslash(10^(12)-25)^(2)=10^(n), then the value of n is 5 (b) 10(c)14 (d) 20

1000^(12)-:10^(30)=? a.1000^(2)b.10c.100d.100^(2)e. None of these

Find the value of (cot25^(@)+cot55^(@))/(tan25^(@)+tan55^(@))+(cot55^(@)+cot100^(@))/(tan55^(@)+tan100^(@))+(cot100^(@)+cot25^(@))/(tan100^(@)+tan25^(@))

Which one of the following is not equal to ((100)/9)^(-3/2) ? (a)\ (9/(100))^(3/2) (b) 1/(((100)/9)^(3/2)) (c)\ 3/(10)xx3/(10)xx3/(10) (d) sqrt((100)/9\ x(100)/9\ x(100)/9\ )

The quotient when 10^(100) is divided by 5^(75) is a.2^(25)xx10^(75) b.10^(25) c.2^(75) d.2^(75)xx10^(25)

A rational number equal to (-2)/3 is (a) (-10)/(25) (b) (10)/(-15) (c) (-9)/6 (d) None of these