2 minus 2/5 plus 1/2 minus 4 = -1.9
1 over 2
it is 2 over 4
Yes, it is.
3 1/2
2 minus 2/5 plus 1/2 minus 4 = -1.9
3 to the power of 1 is 3. 3 to the power of minus 2 is equal to 1 over 3 to the power of 2. 3 to the power of 2 is 9. 3 to the power of 1 times 3 to the power of minus 2 is the same as... 3 divided by 3 to the power of 2. So that gives us 3 divided by 9 which is the same as 1/3.
-2 times -2 = plus 4 since minus times minus is plus
1 over 2
it is 2 over 4
14
2
Yes, it is.
3 1/2
2 to the power of 7 minus 3 to the power of 3 divided by 7 is equal to 124 1/7 ≈ 124.14
4 -22= -2 x -2 double minus there =4
Converting to twentieths, we get 8 over 20 minus 15 over 20, resulting in minus 7 over 20.