Question

2) b =2, q=5, b = 250;

Answer 1

Ответ:

Объяснение:

bₙ=b₁qⁿ⁻¹; qⁿ⁻¹=bₙ/b₁

2) b₁=2; q=5; bₙ=250: 5ⁿ⁻¹=250/2=125=5³; n-1=3; n=3+1=4

3) b₁=3; q=1/10; bₙ=0,00003: (1/10)ⁿ⁻¹=0,00003/3=(3·10⁻⁵)/3=(1/10)⁵; n-1=5; n=5+1=6

4) b₁=60; q=1/4; bₙ=15/4: (1/4)ⁿ⁻¹=(15/4)/60=1/(4·4)=(1/4)²; n-1=2; n=2+1=3