Scientific notation
	• Based on powers of 10 • 1000 = 1 x 10 x 10 x 10 = 1 x 103 • 56,000,000 = 5.6 x 10,000,000 or    5.6 x 107 • 0.000068 = 6.8 x 1/100,000 or 6.8 x 10-5