Answer:
It is a rational number
Step-by-step explanation:
A rational number can be written as the ratio of two integers
1/9 is the ratio of two integers so it is rational
Answer:true
pink
B
7! = 7 X 6 X 5 X 4 x 3 x 2 x 1
n! is the product of all natural numbers until n
7! = 1 × 2 × 3 × 4 × 5 × 6 × 7
13x - 10x
= x(13 - 10)
= x (3)
= 3x
Answer
3x