New skill
A shortcut for repeated multiplication
Instead of writing 2 × 2 × 2 × 2, mathematicians write 2⁴ (read "2 to the 4th"). The small number (4) tells you HOW MANY times to multiply.
Squares, cubes — multiplying a number by itself many times.
New skill
Instead of writing 2 × 2 × 2 × 2, mathematicians write 2⁴ (read "2 to the 4th"). The small number (4) tells you HOW MANY times to multiply.