The one in the top left is a rational number because 6/4 *6/4 is 36/16
The use of gunpowder. Specifically military use, this helped fight wars and win wars because they were able to use the gunpowder. (Not 100% sure)
Answer:
260
Step-by-step explanation:
60 X 3 = 180
180+80 = 260
Anything to the power of 0 is just 1.
So if (((4xyz)^-3)^4)/(x^2y^3z^2), is all to the power of 0, then the answer is still 1.
If 1,000,000,000, is to the power of 0, then the answer is still 1.