sig fig and scientific notation

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10³
• .5 x 10³

How would you write 5.6 x 10^-3 in standard form?

• 0.0056

• -5,600

• 0.00056

• -0.0056

How many sig. fig. are in the number below:
106.00

• 2
• 3
• 4
• 5

2.12 + 3.5

• 5
• 5.6
• 5.62
• 5.620

25 * 5

• 125

• 120

• 100

• 130

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

Which is the largest?

4.8 x 10^-6

1.3 x 10²⁰

3.1 x 10^-4

9.2 x 10^-5

9.5 x 10³²

5.9 x 10^-5

2.9 x 10²¹

8.4 x 10¹⁹

• 9.5 x 10³²

• 3.1 x 10^-4

• 8.4 x 10¹⁹

• 4.8 x 10^-6

Round the following number off to the number of sig figs shown in parentheses:
529.78 (3)

• 530
• 529
• 5.30 x 10²
• 5.3 x 10²

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:
24.567 + 0.04478 =

• 24.61178
• 24.612
• 24.611
• 24.61

Express the following number in decimal notation: 
4.96 x 10^-3

• 0.00496
• 4,960
• 496
• 0.000496