Which of the following river basins is the most

If 10^0.9 = 12 and ( 0.1)^x = 120, then what is the value of x.

If (9000) ⁵ = 59.049 

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

0.5 ̅ + 0.7 ̅ + 0.9 ̅ + 0.3 ̅ = x

(161051) ^-3/5 = ?

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

4¹⁷/4¹⁴   =   ?

If 2^x = 3^y = 6^-z, then (1/x) + (1/y) + (1/z) =?

(0.64) ^-1.5 = ?

³√4913+ ³√4.913 + ³√0.004913 = ?

What will come in place of a?

(6)^1.2 × (216 )^2.7 × (36)^2.7 = 6^a

(3125) ^-3/5 = ?