Option 2
-3.5, -1/4, 1/3,2
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Answer:
x = (66.50 - 4y) / 3
Step-by-step explanation:
Given that:
Amount had = $70
Change collected = $3.50
Total amount spent = $(70 - 3.50) = $66.50
Total amount used for purchasing prawn and fish:
Kg of fish = 4
Kg of prawn = 3
1 kg prawn will cost, x
If 1 kg of fish = y
(Total amount spent - cost of 4 kg fish) / Number of kg of prawn
($66.50 - 4y) / 3
x = (66.50 - 4y) / 3
Answer:
21 to the tenth power or 21^10
Step-by-step explanation:
when multiplying exponents with the same base, you would add the exponents together
Answer:
1) 13
2) 91
3) 54 remainders 5
4) 231
5) 3.9
6) 668-228 = 440
Step-by-step explanation:
Answer:
1.2378×104
Step-by-step explanation:
The number 10 is called the base because it is this number that is raised to the power n. Although a base number may have values other than 10, the base number in scientific notation is always 10.