Scientific Notation

Which of the following is correct scientific notation?

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

What is the simplified version of

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

Tags

CCSS.8.EE.A.4

What is the simplified form of
(3.25 x 10³)(7.8 x 10⁶)

• 2.535 x 10¹⁰
• 2.535 x 10¹⁸
• 2.535 x 10¹⁹
• 2.535 x 10⁹

Tags

CCSS.8.EE.A.4

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

Solve:
(6.0 x 10^4) + (3.0 x 10^4)

• 9.0 x 10^4
• 3.0 x 10^4
• 9.0 x 10^8
• 3.0 x 10^0

Solve:
(20 x 10^15) + (3.3 x 10^15)

• 2.33 x 10^15
• 2.33 x 10^14
• 2.33 x 10^16
• 2.33 x 10^30

(9.21 x 10⁹) ÷ (6 x 10⁴)

• 1.535 x 10¹³
• 55.26 x 10¹³
• 5.526 x 10¹⁴
• 1.535 x 10⁵

Tags

CCSS.8.EE.A.4

(9 x 10³) x (2 x 10⁸)

• 18 x 10¹¹
• 18 x 10²⁴
• 4.5 x 10^-5
• 1.8 x 10¹²

Tags

CCSS.8.EE.A.4

(4.55 x 10¹)  (4.55 x 10¹)

• 2.07025 x 10³
• 20.7025 x 10¹
• 20.7025 x 10²
• 2.07025 x 10¹

Tags

CCSS.8.EE.A.4