Adding and Subtracting Scientific Notation

(2.3 x 10²)+(4.1 x 10²)=

• 6.4 x 10⁴
• 6.4 x 10²
• 6.4 x 10⁰
• .64 x 10¹

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸
• 2.4 x 10⁰
• 1.6 x 10⁰
• 1.6 x 10⁸

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵
• 1.1 x 10¹⁰
• 1.10 x 10¹¹
• 1.1 x 10 ⁶

Tags

CCSS.8.EE.A.4

Give the sum of (2.6 x 10⁶) + (4.2 x 10⁶)

• 6.8 x 10⁶

• 6.8 x 10¹²

• 8.4 x 10⁶

• 3.2 x 10¹²

Tags

CCSS.8.EE.A.4

Give the sum of (4.8 x 10⁸) + (5.4 x 10⁸) in scientific notation

• 1.02 x 10⁸

• 1.02 x 10⁹

• 9.2 x 10⁸

• 2.1 x 10⁹

Tags

CCSS.8.EE.A.4

Give the sum of (8.7 x 10⁵) + (7.32 x 10⁷) in scientific notation

• 16.02 x 10⁷

• 7.407 x 10⁵

• 7.407 x 10⁷

• 1.602 x 10⁷

Tags

CCSS.8.EE.A.4

Give the difference of (9.87 x 10⁷) - (7.42 x 10⁷) in scientific notation

• 2.45 x 10⁰

• 3.5 x 10⁷

• 2.45 x 10⁷

• 17.29 x 10⁷

Tags

CCSS.8.EE.A.4

Give the difference of (7.2 x 10⁷) - (4.5 x 10⁷)

• 2.7 x 10⁷

• 2.7 x 10⁰

• 1.17 x 10⁷

• 3.3 x 10⁷

Tags

CCSS.8.EE.A.4

Give the difference of (8.7 x 10⁹) - (2.5 x 10⁷)

• 6.2 x 10²

• 6.2 x 10⁹

• 7.23 x 10⁷

• 8.675 x 10⁹

Tags

CCSS.8.EE.A.4

How would you write 4.3756 x 10⁴ in standard form?

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