Question 7

Level pending

Use inductive reasoning to predict the next line in this sequence of computations.

$9 \times 9+7=88$

$98 \times 9+6=888$

$987 \times 9+5=8888$

$9876 \times 9+4=88888$

$? \times 9+3=888888$

1 solution

Luye Xue
Feb 24, 2015

Each digit in the first number is one less than the previous digit. The first digit is always 9.

So the next one is 98765