Find the difference. show your work -3/4 - 4/3

-25/12

Step-by-step explanation:

I assume you want to subtract 4/3 from -3/4   OR   combine -3/4 and -4/3.

Here the LCD is (4)(3) = 12.

Then -3/4 becomes -9/12 and -4/3 becomes -16/12.  

Then -9/12 - 16/12 = -25/12

Option C, 9 * 10^-3

Step-by-step explanation:

Step 1:  Multiply

(4.5 * 10^-7) * (2 * 10^4)

9 * 10^-3

 Option C, 9 * 10^-3