Practise the method.Example 1223−2×2+22Show worked answerAnswer: 6Calculate the powers and product: 23=8,2×2=4, and 22=4.Subtract in the numerator: 8−4=4.Divide: 24=2.Add: 2+4=6.Example 2443−4×6+62Show worked answerAnswer: 46Calculate the powers and product: 43=64,4×6=24, and 62=36.Subtract in the numerator: 64−24=40.Divide: 440=10.Add: 10+36=46.Example 3553−5×2+22Show worked answerAnswer: 27Calculate the powers and product: 53=125,5×2=10, and 22=4.Subtract in the numerator: 125−10=115.Divide: 5115=23.Add: 23+4=27.