Answer:
6
Step-by-step explanation:
=4!/(4-2)!2!
=4x3x2x1/2x2
=12/2
=6
Answer:
-3a^2= -3*(-6)^2
Step-by-step explanation:
-3a^2 = -3*a^2 = -3*(-6)^2
25 because it s a less common denominaor
The way to work this out is to find a common denominator. so in this case 80 is a common denominator. So it would be 3/8 into 30/80 and then 4/10 into 32/80 therefore 4/10 is bigger
