The answer is C
explanation
18 6/7<em /> is the awnser
300,000,000+60,000,000+2,000,000+31,000+1000+100
2013
Because you move the decimal three places to the right.
OR.
2.013 x 1,000
Simple this is a geometric sequence answer is 32 becauase geometric sequences in this term mean a5*2, giving us 32.