Question 158(ii)
Find a single machine that will do the same job as the given hook-up. a(×24) machine followed by (×(12)2) machine. Maya multiplied (42×32) by thinking about stretching machines. Use Maya's idea to multiply 53×23. Maya's idea is another product law of exponents. Multiplying Expressions with the same Exponents ac×bc=(a×b)c You can use this law with more than two expressions. If the exponents are the same, multiply the expressions by multiplying the bases and using the same exponent. e.g. 28×38×78=(2×3×7)8=428.