The answer is 30
2 x 3 = 6
5 x 6 = 30
13 is a whole number, integer, natural number and rational number. Rational number because it can be written as a fraction like 13/1. It is a whole number because it doesn't have any decimals. It is an integer because an integer is a positive or negative whole number and it is a natural number because a natural number is any positive number greater than 0.
2d+3
2(8)+3
Multiply 2 and 8
16+3
19
So the answer is 19
