B. Negative exponent flip from denominator to numerator and numerator to denominator.
B is the second option.
Amelio have 18 Nickels and 12 dimes!!
2.10−(6×0.05)−(12×0.10)−(12×0.05)= 0
Answer: -5 x -5
The exponent two means the other number multiplied 2 times, so the equation is -5 x -5. The answer to the equation is -25.
Hope this helped you out!