Answer: 
Step-by-step explanation:
According to the Multiplication property of exponents : 
For example : 
Let's take one more example , 
The given expression : 
By Multiplication property of exponents , we have



Hence, the simplified expression is
.
Answer:
60≥20x+50y
Step-by-step explanation:
Let x = notebooks and y = pens (all per week)
One solution would be x ≥ 1 and y ≥ 1 as at least one per each item per week
21/50, 0.44, 87/200 43.7%
The answer for the total amount is 336 pounds of food a week
Answer:
Jody walks at a faster rate because it would take Amir 30 minutes to walk a mile and Jody approximately 26.6 minutes to walk a mile.