What is the value of x?

0.064 x 0.4⁷ = 0.4^x x (0.0256)²

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(3125) ^-3/5 = ?

If (9000) ⁵ = 59.049 

(0.04) ^-2.5 = ?

What will come in place of a?

169 ^1.7 x  13  ^2.5   x 169 ^1.5 = 13 ^a

If √35 = 5.9 find the value of 

If a = radic;( 3/2) , then radic; (1+a) + radic; (1-a) = ?

The value of ‘x’ in the given below equation is.

0.5 ̅ + 0.7 ̅ + 0.9 ̅ + 0.3 ̅ = x

What should come in place of the question mark (?) in the following questions?

4¹⁷/4¹⁴   =   ?