Q.• 5!__________• 10n – 11 = 679n = ..​

Jawaban:

5!

5 × 4 × 3 × 2 × 1

20 × 3 × 2 × 1

60 × 2 × 1

120 × 1

= 120

10n – 11 = 679

n = …

penyelesaian :

10n – 11 = 679

10n = 679 + 11

10n = 690

n = 690/10

n = 69

Penjelasan dengan langkah-langkah:

5!

= 5 × 4 × 3 × 2 × 1

= 20 × 3 × 2 × 1

= 60 × 2 × 1

= 120 × 1

= 120

–

10n – 11 = 679

10n = 679 + 11

10n = 690

n = 690 ÷ 10

n = 69