hi, I would greatly appreciate if someone left the work step by step to solve one of these questions so I can understand it? if
it's possible 
1 answer:
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Answer:
Step-by-step explanation:
We convert some numbers to decimal fractions:
-2 = -2.00
-3/4 = -0.75
-0.45
3% = 0.03
0.36
We order
-2, -0.75, -0.45, 0.03, 0.36
other method
(use a calculator)
Step-by-step explanation:
Total numbers of pizza toppings = 12
Number of three topping pizzas can be ordered are:
where = n = number of elements
k = number of elements choosen
n= 12 , k = 3
We calculated the number of permutations. We made this choice because in permutation order of element matters but in combination its not.