Step 8 Objective

Know and use the index laws for multiplication and division of positive integer powers.


Probing questions

happy learners

What the answer to 5to the power of two × 5to the power of three = ?

Convince me that 3to the power of seven ÷ 3to the power of two = 3to the power of five.

What the answer to 5to the power of two + 5to the power of three? Why don't the same laws apply?

If 2 × 3to the power of n = 162, what is the value of n?

If 4to the power of m × 4to the power of n = 4to the power of ten and 4 to the m over 4 to the n equals 4 to the 4, what are the values of m and n?