76% = 76 / 100 = 0.76
What is 76% of 670
= 76% * 670
= 0.76 * 670
= 509.2
8.) (10 / 5) × 100% = 200%
9.) <span> </span>40 x 100<span> / </span>60<span> = </span><span>66.666666666667</span>
10.) 9% × 80 = (9/100) × 80 = 7.2
12 - (-2) (-4)
-2 * -4 = ?
A negative times a negative equals a positive value.
-2*-4 = 8
12 - 8 = ?
12-8 = 4
Because 4+8 = 12
Final answer: 4
Answer: 
Step-by-step explanation:

Where s is the side of the cube.
Therefore, the volume of a cube with side 5 m = 
Similarly, the volume of a cube with side 4 m = 
Thus, the difference between the volumes of these cube = 