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" 7.If "10^(2y)=25," then "10^(-yy)" equ...

" 7.If "10^(2y)=25," then "10^(-yy)" equals "

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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

If x=at^(2),y=2at," then "t^(2)yy_(2)=

If "log"_(10) x =y, " then log"_(10^(3))x^(2) equals

If "log"_(10) x =y, " then log"_(10^(3))x^(2) equals

If log_(10)x+log_(10)5=2, then x equals a.15b20c.25d.100

If x=111"...."(20 digits),y=333"...."(10digits) and z=222".....2"(10 digits), then (x-y^(2))/(z) equals.

If x=111"...."(20 digits),y=333"...."(10digits) and z=222".....2"(10 digits), then (x-y^(2))/(z) equals.

If x=111"...."(20 digits),y=333"...."(10digits) and z=222".....2"(10 digits), then (x-y^(2))/(z) equals.

If 5^(3x^(2)"log"_(10)2) = 2^((x + (1)/(2))"log"_(10) 25) , then x equals to