1. 11; 4
2. -64; 81
3. X+5; x+22,500
4. -13; -3
5. 8
6. 56F; 6F
7. -29/10 or -2 and 9/10
8. >; <; <
9. -2/9
Answer:
729
Step-by-step explanation:
Volume of cube=a^3
Volume of cube=9^3=729
Answer:
A. 336
B. Arranging 3 people in 8 chairs.
C. 42
B. Arranging 2 people in 7 chairs.
Step-by-step explanation:
A.

Formula for Permutation is given as:

Putting the value of
= 8 and
, we get:

B. Real world situation for part A:
Arranging 3 people on 8 chairs.
First person has 8 options.
Second person has 7 options.
Third person has 6 options.
C.

Formula for Permutation is given as:

Putting the value of
= 7 and
= 2 , we get:

D. Real world situation for part AC:
Arranging 2 people on 7 chairs.
First person has 7 options.
Second person has 6 options.
Answer:
-0.25, -0.15, -0.6
Step-by-step explanation:
- 1/4= -0.25.
Bigger number with negative = smaller number