Matematika

Pertanyaan

Tolong di bantu yah soalnya bsok di kmpulin ya allah
Di bantu yah pliss
Tolong di bantu yah soalnya bsok di kmpulin ya allah Di bantu yah pliss

1 Jawaban

  • a. 2⁴/2³ = 2⁴⁻³ = 2¹ = 2

    b. 5⁵/3⁵ = 3125/243

    c. ((-5)⁷ x (-5)⁸)/(-5)¹⁰ = -1x5⁷ x 5⁸)/5¹⁰ = (-1x5⁷⁺⁸)/5¹⁰ = -1 x 5¹⁵/5¹⁰ = -1x5¹⁵⁻¹⁰
                                        = -1x5⁵ = -3125

    d. 7⁹ : 7⁴ = 7⁹⁻⁴ = 7⁵

    e. ((-3)¹⁹ x (-3)²³)/((-3)²⁵ x (-3)⁷) = (-3¹⁹⁺²³)/(-3²⁵⁺⁷) =(-3⁴²)/(-3³²) = (-3⁴²⁻³²) = (-3¹⁰)
                                                         = 3¹⁰

    f. (7p x 8q⁸)/5²r⁴ = 56pq⁸/25r⁴ = (56/25)pq⁸r⁻⁴

    g. 56a²/11 = (56/11)a²

    h. 100q²⁵/25q¹⁷ = 4q²⁵⁻¹⁷ = 4q⁸

    i. (23b⁸ x 24b¹¹)/46b¹³ = 552b⁸⁺¹¹/46b¹³ = 552b¹⁹/46b¹³ = 12b⁶

    j. (52k³ x 13l¹⁰)/4m¹³ = (676k³l¹⁰)/4m¹³ = 169k³l¹⁰/m¹³ = 169k³l¹⁰m⁻¹³