Scientific Notation and Operations

(2 x 10^-5)+ (7 x 10^-5)

• 9 x 10^-10
• 14 x 10^-5
• 9 x 10^-5
• 1.4 x 10^-4

Tags

CCSS.8.EE.A.4

(8 x 10⁴) + (4 x 10⁴)

• 12 x 10⁴
• 1.2 x 10⁵
• 1.2 x 10⁹
• 1.2 x 10⁸

Tags

CCSS.8.EE.A.4

(8 x 10⁴) - (2 x 10⁴)

• 16 x 10¹⁶
• 16 x 10⁸
• 6 x 10⁸
• 6 x 10⁴

Tags

CCSS.8.EE.A.4

(5 x 10⁶) - (3 x 10⁶)

• 2 x 10¹²
• 2 x 10⁶
• 2 x 1036
• 2 x 10⁰

Tags

CCSS.8.EE.A.4

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³
• 8 x 10³⁶
• 8 x 10⁵
• 8 x 10^-36

Tags

CCSS.8.EE.A.4

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²
• 2.5 x 10¹⁴
• 25 x 10¹²
• 25 x 10¹³

Tags

CCSS.8.EE.A.4

5 x 10¹²
------------
2 x 10⁶

• 2.5 x 10²
• 2.5 x 10⁶
• 3 x 10²
• 2.5 x 10¹⁸

Tags

CCSS.8.EE.A.4

2 x 10⁵
----------
8 x 10²

• 2.5 x 10⁴
• 2.5 x 10²
• 25 x 10³
• .25 x 10³

Tags

CCSS.8.EE.A.4

When you move the decimal to the right, you think you would ____ but you actually _______ when converting to scientific notation.

• Subtract       Add
• Subtract      Multiply
• Add             Subtract
• Add            Multiply

When you move the decimal to the left, you think you would ____ but you actually _______ when converting to scientific notation.

• Subtract          Add
• Subtract         Multiply
• Add              Subtract
• Add       Multiply

Tags

CCSS.8.EE.A.3