BANTUIN NO 3 YANG B SAMA C AJA MAKASI CEPET YAA…

b.
2×⁺¹ = 1/256
2×⁺¹ = 2⁻⁸

x + 1 = -8
x = -8 – 1
x = -9

c.
(3²⁰¹⁰ x 3²⁰²⁰ x 3²⁰³⁰) / 81 = 3×
(3²⁰¹⁰ x 3²⁰²⁰ x 3²⁰³⁰) / 3⁴ = 3×
3²⁰¹⁰ ⁺ ²⁰²⁰ ⁺ ²⁰³⁰ ⁻ ⁴ = 3×
3⁶⁰⁵⁶ = 3×

x = 6.056