COURSE 3 LESSON 7-1 Scientific Notation At one point, the distance from Earth to the moon is 1.513431  1010 in. Write this number in standard form. Move the decimal 10 places to the right. Insert zeros as necessary. . 1.513431  1010 = 1.5134310000 = 15,134,310,000 At one point, the distance from Earth to the moon is 15,134,310,000 in. 7-1

COURSE 3 LESSON 7-1 Scientific Notation The diameter of the planet Jupiter is about 142,800 km. Write this number in scientific notation. 142,800 = 1 42,800. The decimal point moves 5 places to the left. . = 1.428  105 Use 5 as the exponent of 10. The diameter of the planet Jupiter is about 1.428  105 km. 7-1