Question 2(ii) Simplify and express the result in power notation with positive exponent:
(123)2
(123)2=12(23)2 [∵(ab)m=aman]=123×2 [∵(am)n=am×n]=126
Question 2(i) Simplify and express the result in power notation with positive exponent:
(−4)5÷(−4)8
Simplify and express the result in power notation with positive exponent:
(−3)4×(53)4
Question 2(v) Simplify and express the result in power notation with positive exponent:
2−3×(−7)−3