Review, Sig Figs, and Sci Notation

How many significant figures does 0.025 kg have?

• 1
• 2
• 3
• 4

Which value has only 4 significant digits? 

• 6.930
• 0.450
• 8450
• 0.392

Convert to scientific notation 305,000

• 3.0500
• 3.0500 x 10⁵
• 3.05 x 10⁵
• 3.05 x 10²

Convert the following to scientific notation. 
0.000480

• 4.80 x 10⁴
• 4.80 x 10^-4
• 4.8 x 10^-3
• 4.8 x 10^-4

How would you write the number 5,765,780 with 3 sig figs?

• 576
• 577
• 5,760,000
• 5,770,000

How many sig figs are in the red number?
4.00 x 10⁸ mm

• 1
• 3
• 9
• infinite

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 44,000

Multiply:
(3.4 x 10⁵)(1.2 x 10^-3)

• 408
• 400
• 410
• 4.08 x 10⁰

Calculate
12.3 × 1.234 × 0.12

• 1.82
• 1.8
• 2.0
• 1.821

Subtract these numbers and show the correct number of significant figures
606.09 - 7.004

• 599.086
• 599.08
• 599.1
• 599.09