300
The table below lists the multiplication facts for the number 9.
Multiplier Product
1 × 9 = 09
2 × 9 = 18
3 × 9 = 27
4 × 9 = 36
5 × 9 = 45
6 × 9 = 54
7 × 9 = 63
8 × 9 = 72
9 × 9 = 81
What is the relationship between the first digit of the product and the multiplier?
first digit of product is one less than the multiplier