intro physics - sig figs, sci not, metric conversion, best fit

How many significant figures are in the following number?

100.00

How many significant figures are in the following number?

100

How many significant figures are in the following number?

0.00034030

How many significant figures are in the following number?

200200

1,221 km = ________ m

• 1,221 m

• 1,221,000 m

• 1.221 m

• 12,210 m

29 mm = ______ m

• 0.029 m

• 290 m

• 0.29 m

• 0.0029 m

55 mm = ___________ cm

• 0.55
• 5.5
• 550
• 5,500

 68 cm = ___________ mm

• 0.68
• 6.8
• 68
• 680

 1234 mg = ___________ kg

• 0.0001234
• 0.001234
• 0.01234
• 0.1234

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷