Question 3(v) Find 312÷4
312÷4=72÷4=72×14=78
Question 3(v) Find the value of:
{(−23)−2}2
Question 3(v) Find the following squares by using identities: (0.4p−0.5q)2
a2=31/4 a31=1/2 an =-30/2 find n