Yes the product of two integers with different sings can be positive or negative if is negative and negative equal a positive
60 divided by 1/5 (.2) is 300
Additional information to complete the question:
How long does it take for a short pulse of light to travel from one end of the glass to the other?
Express your answer in terms of some or all of the variables f and L. Use the numeric value given for n in the introduction.
T = ___________ s
Answer:

Step-by-step explanation:
Given:
Thickness og glass = L
Index of refraction n=1.5
Frequency = f

λ(air) 
λ(glass) = λ(air) / n
= 
= 
= 
V(glass) = fλ(glass)


The correct answer is 96.
Answer:
The associative and commutative properties can be used for addition and multiplication.
Step-by-step explanation:
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