Answer:
The last one
Step-by-step explanation:
1/256 can only be a non fraction is the exponent is negative. but since the t is not also in the denominators the original two exponents must be negative so they times to a positive so:
(4t^-4) ^-7
(4^-7) (t^-4×-7)
(1/4^7) (t^28)
1/256 t^28
Answer:
option 3 or c
Step-by-step explanation:
idk add a graph
It really does not matter, I tend to solve for x first simply because it comes before y, but you do whatever is easier for you.
Answer:
60
Step-by-step explanation:
here are 360° used in a whole pie chart
Using proportion
30° → 5 people
360° → 5 × 360 / 30 = 5 × 12 = 60
There are 60 people altogether
$1 = 2 weeks
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<u>Multiply by 800:</u>
$1 x 800 = 2 x 800 weeks
$800 = 1600 weeks
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Answer: You need <u>1600 weeks </u>to get $800
