Multiplication and Division of Standard Forms

Which of these numbers is correctly written in scientific notation?

• 1234x10^-3
  
• 10.5x10⁹ 
• 1.234x10¹¹
• .5x10⁴

Tags

CCSS.8.EE.A.3

Find the product. (2.2 x 10⁵) x (4.5 x 10²).

• 9.9 x 10¹⁰
• 6.7 x 10⁷
• 9.9 x 10⁵
• 9.9 x 10⁷

Tags

CCSS.8.EE.A.4

Find the product. (1.23 x 10⁴) x (.52 x 10²)

• 6.396 x 10⁷

• 0.6396 x 10⁷

• 6.396 x 10⁵

• 6.396 x 10⁸

Tags

CCSS.8.EE.A.4

Find the product. (5.3 x 10²) x (1.0 x 10²)

• 5.3 x 10⁴
• 5.3 x 10²
• 6.3 x 10²
• 5.5 x 10⁴

Tags

CCSS.8.EE.A.4

Find the product. (12.3 x 10^-3) x (1.25 x 10⁴).

• 15.375 x 10¹
• 1.5375 x 10⁴
• 1.5375 x 10²
• 1.5375 x 103

Tags

CCSS.8.EE.A.4

(9x10⁶⁾ ÷ (3x10²)

• 27x10⁴

• 3x10⁸

• 27x10⁸

• 3x10⁴

(3.4x10^-4) x (3.2x10^-3)

• 10.88x10⁷
• 1.088x10^-6
• 1.088x10^-8
• 10.88x10^-7

Tags

CCSS.8.EE.A.4

10.5×10^-5 ÷ 2.5×10^-2

• 4.2×10³
• 4.2×10^-3
• 4.2×10^-7
• 4.2×10^-10

Tags

CCSS.8.EE.A.4