When you raise a number to a negative exponent, change the exponent to a positive and make the complete number a fraction with 1 as the numerator.
5 ^-2 = 1/5^2
The answer is C.
X= 4/7 because it would be
4/35x=16/245
which would be 28x=16
simplified it would be 4/7
You can do 4 to the second power and 4×4 equals 16
Rabbit: y=5x-7
Turtle: y=x
use substitution
x=5x-7
-4x=-7
x=7/4=1.75
1.75hr
Answer:
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Step-by-step explenation:
