2 out of 10 chances
2/10 is 1/5
Answer:
A.
|19 | = |–19|
Step-by-step explanation:
Answer:
870
Step-by-step explanation:
Assuming you mean
30
Using the definition
n =
where n! = n(n - 1)(n - 2) ..... 3 × 2 × 1
Then
30 = =
Cancel the terms 28(27)... on numerator/ denominator, leaving
30 = 30 × 29 = 870