Answer:
Step-by-step explanation:
=7 (1+11+111+1111......n)
=7/9 (9+99+999+9999....n)
=7/9 ((10-1)+(10^2-1)+(10^3-1)+....n)
=7/9 ((10+10^2+10^3...n)-(1+1+1+1.....n))
=7/9 ((10 (10^n-1)/(10-1))-n)
Two composite numbers that have 8 as a factor are 16 and 24.
Answer:
Step-by-step explanation:
8-(6+2)+4 is how you use those numbers to equal 4
5/6 or 83% (roughly, since probability is never exact).
(hope this helps!)
