3/27 Exponential Rules Test Review

7.82 x 10^-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.

• Large
• Small

Tags

CCSS.8.EE.A.3

Change from standard form to scientific notation:  450,000

• 4.5  x  10⁵
• 45  x  10⁵
• 4.5  x  10⁴
• 4.5  x  10⁶

Change from standard form to scientific notation:  0.000398

• 39.8  x  10^-5
• 3.98  x  10^-5
• 3.98  x  10^-4
• 39.8  x  10^-6

Try to change the number back to standard form:  6.79  x  10⁴

• 679,000
• 6,790
• 67,900
• 6,790,000

Tags

CCSS.8.EE.A.3

Try to change the number back to standard form: 3.97  x  10^-2

• 0.000397
• 0.0397
• 0.0000397
• 0.397

Tags

CCSS.8.EE.A.3

How would you write 0.0005 in scientific notation?

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

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Tags

CCSS.8.EE.A.3

Which of the following in the LARGEST number?

• 9 x 10⁶
• 8 x 10¹⁰
• 1.3 x 10¹²
• 5.3 x 10³

Tags

CCSS.8.EE.A.3

Which of the following numbers is the SMALLEST?

• 8.7 x 10³
• 3 x 10⁴
• 1.3 x 10⁸
• 9 x 10²

Tags

CCSS.8.EE.A.4

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Tags

CCSS.8.EE.A.4