Yes, but remember that 2 negatives is a positive. so -2 to the 2nd power would be 4, but -2 to the 3rd power would be -8.
2.5 x 10^3 = 2500 3.5 X 10^2 = 350 sum = 2850 = 2.85 x 10^3
No because volume involves multiplying by a value on the 3rd dimension, and since the length on the 3rd dimension is 0 a square's volume is 0.
Picture a coordinate axes with the x-axis on the horizontal and the y-axis on the vertical in typical fashion. X is greater than or equal to 0 in the 1st and 3rd quadrants. Y is less than or equal to zero anywhere under (or equal to) the x-axis. The 3rd quadrant is where both conditions occur together.
14x squared minus 7x to the 3rd power can be factored to 7x2(2-x).
49 - 8 - 6 = 35
12x3 + 5y cannot be factored.
That factors to 4t(2t + 1)(5t - 6)
It is: 1,000,000,000 = a billion
10 to the 3rd power is 1000
10 to the 3rd power which is 1000
33 - 100 = 26