The bio students can be arranged in (5 · 4 · 3 · 2 · 1) = 120 different ways.
For each of those . . .
The chem students can be arranged in (5 · 4 · 3 · 2 · 1) = 120 different ways.
For each of those . . .
The physics students can be arranged in (2 · 1) different ways.
For each of those . . .
The subjects can be arranged in (3 · 2 · 1) = 6 different ways.
The whole incredibly boring line-up of presentations
can be arranged in
(120 · 120 · 2 · 6) = 172,800 different ways .
Answer:
yes they are similar
Step-by-step explanation:there are two 27's
Answer:
x^2+x-6 is correct.
Step-by-step explanation:
find two number if you multiply it becomes (-6) and if you sum them it becomes (+x)
The answer is $1.70. You have to find the unit rate of each fruit so you just divide the cost by the number of fruits for that cost. Then, you multiply each amount by two and add them together.
Answer:
Step-by-step explanation:
put them both in exponential form and then since they are both base 6, you can add the exponents.