Answer:
He answered 20 questions correctly.
Step-by-step explanation:
25×.8(80%) = 20.
Step-by-step explanation:
the second equation should be multiplied by 9
Answer:
So, we can do it in 720 ways.
Step-by-step explanation:
We have been given total of six trophies to arrange in the top shelf of the bookcase
If we need to arrange n things in different ways we can do it in n! ways
Similarly, Here we will do it in 6! ways
n!=n(n-1)(n-2).....1
So, 6!=6 x 5 x 4 x 3 x 2 x 1=720
Answer:
1. A.) 300 cm
2. D.) 1700 in
3. A.) 12 cm
4. B.) 421 FT
Step-by-step explanation:
