5.3 and 5.30 are equivalent to 5.300
Answer:
Step-by-step explanation:
12P3 = 12! / (12-3)!
= 12*11*10
= 1320.
8C7 = 8!/7! *(8-7)!
= 8.
Answer:

Step-by-step explanation:
Given



Required
Find the height of the prism
Volume (V) is calculated as:

Substitute values for V, L and W

Make H the subject



Divide:


The height of the prism is: 
750 + 0.60(750) = 750 + 450 = 1200 <==
or this way...
750 * 1.60 = 1200