Q158Multiple choice
Find a single machine that will do the same job as the given hook-up.
- (a)a (× 23) machine followed by (× 2–2) machine. 1 2
- (b)a (× 24) machine followed by × 2 machine.
- (c)a (× 599) machine followed by a (5–100) 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. For example, 28 × 38 × 78 = (2 × 3 × 7)8 = 428