13.5/3 = 4.5
He hiked for 4.5 hours.
Without scientific notation<span> it would look like 4 000 000 000 000 </span>
<span>The decimal place must be moved 12 units to the left to be after a significant figure, thus giving the scientific notation to the power of 12. The significant figure is 4 so you get the equation </span><span>4.0⋅<span>1012</span></span>.
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Answer:
c.
Step-by-step explanation:
Answer:

Step-by-step explanation:
1 in = 190 ft
x in = 570 ft
We can use ratio and proportion to solve this problem.

The building will be
tall in the scale drawing.