Question

7. The value of x in 3^x = 81 is *

8. (11/13)^0 equals *

9. If 2^3 + 1^3 = 3^x, then x = *

10. The standard form of (1.5 x (10)^6) / 2.5 x (10)^-4 is *

11. (6^-1 - 9^-1)^-1 = ? *

12. The value of (2/3)^0 + (2/3)^0 is *​

Answer 1

7) x = 4

8) 1

9) x = 2

10) 6x10^9

11) 18

12) 1+1

= 2