Question

Алгебра 9 кл
b1=500;
q=1/5;
b5-?

Answer 1

b1=500, q=1/5

b2=500.1/5=500/5=100

b3=100.1/5=100/5=20

b4=20.1/5=20/5=4

b5=4.1/5=4/5=0,8

b5=b1.qˇ4 , b5=500.(1/5)ˇ4, b5=500.1/625=500/625=20/25=4/5=0,8