Some of the problems are in scientific notation, which if you don't know how to do, I will try to explain, when you see for example 1 x 10^3, what it is saying is basically 1 x 10 x 10 x 10 so in that case 1,000, simple trick is to look at what ever number is in the top right, then add that many zeroes. So this is most likely supposed to be a division problem. if you need more help message me.
Answer:
5
Step-by-step explanation:
5x5 = 25
25-20 = 5
Model : Actual
48 inches : 604 feet
48 inches : 7248 inches
(÷48) : (÷48)
1 inch : 151 inches
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Answer : Ratio of Model to actual Space Needle = 1 : 151
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1/2(4x-5) + 5/2 = 10
Use the distributive property:
2x - 5/2 + 5/2 = 10
Use addition property:
2x = 10
Divide both sides by 2:
x = 10/2
x = 5
Answer:
400
Step-by-step explanation: