The number of permutations of the 4 different digits is:

The answer is 24 ways.
Answer:
23.8 cm
Step-by-step explanation:
7.4(2)+4.5(2)=23.8
Answer:
81%
Step-by-step explanation:
First, let's set up 3 equations:
w*0.6 = x
x*1.5=y
y*0.9=z
Now, we can substitute x in the second equation for w*0.6:
w*0.6*1.5 = y
Lastly, we can substitute y in the last equation for w*0.6*1.5:
w*0.6*1.5*0.9=z
w*0.81=z
Therefore, z is 81 percent of w.
Answer:
8x-2y
Step-by-step explanation:
3x4y+5x+2y
Simplify
1 Combine like terms
3x4y+5x+2y
8x-4y+2y
2 Combine like terms
8x-4y+2y
8x-2y
Solution
8x-2y
Hope this helps!
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Answer: 3 + 7i
Step-by-step explanation:
Equation expanded: 12 + 5i - 9 + 2i // now simplfy
12 - 9 = 3
5i + 2i = 7i
// together, we get
3 + 7i