In this activity, we are going to use 1 mm to represent 1 million years. What does 1 cm represent? 1m?

1.0 mm = 1,000,000 years (1 million)

1.00 cm = 10,000,000

1.0000 m = 10,000,000,000

Is this collect?

1 cm = 10 mm

multiplying by 10 is correct.

1000 mm = 1 m

it has to be 1000 times bigger

1,000,000,000