Answer:
Es 60
Step-by-step explanation:
We must find the difference between prices. $2.65 - $2.50 = $0.15. Now we need to calculate what percent $0.15 is of $2.65. It is 5.7%! The price decreased, so it is a 5.7% decrease!
Answer:
B
C
B
Step-by-step explanation:
1. Percent means out of 100
8% = 8/100
.08
B
2. Is means equals and of means multiply
W = 48% *180
W = .48 *180
W =86.4
C
3. Is means equals and of means multiply
80 = 125% * W
80 = 1.25 W
Divide each side by 1.25
80/1.25 = W
64
B
Try to put x on one side.
Do y = 35+X
-35 -35
Now you have Y-35=x
Hope this helped
Question 1:
<h3>Answer: The number does <u>not</u> change</h3>
Removing the zero from 0.76 leads to .76 which is the same as before. Both lead to
in scientific notation.
Personally I prefer the zero up front to make the decimal point stand out easier. Of course it's just a preference, so its up to you to decide which you prefer.
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Question 2:
<h3>Answer: Yes the number changes</h3>
Taking the zero out of 10.25 leads to 1.25 which is definitely a different number (and smaller). Therefore, this zero is a significant digit compared to before.