solving problems in scientific notation

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

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

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

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Tags

CCSS.8.EE.A.3

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

Tags

CCSS.8.EE.A.3

Express the following in standard notation:
8.025 x 10^-8

• .00000008025
• .000000008025
• 802,500,000,000
• 80,250,000,000

Tags

CCSS.8.EE.A.3

Express the following in scientific notation:
0.0000002203

• .02203 x 10⁷
• 22.03 x 10^-6
• 2.203 x 10^-7
• 22.03 x 106

Tags

CCSS.8.EE.A.3

Convert to scientific notation:
520,000,000  

• 52 x 10⁷
• 5.2 x 10⁷
• 5.2 x 10⁸
• 0.52 x 10⁹

The table shows the mass in grams of one atom of each of several elements. List the elements in order from the least mass to greatest mass per atom.

• hydrogen, carbon, oxygen, silver, gold
• hydrogen, oxygen, gold, siver, carbon
• carbon, oxygen, silver, gold, hydrogen
• gold, oxygen, carbon, silver, hydrogen

Tags

CCSS.8.EE.A.4