Adding and subtracting scientific notation - part 2

Add withing scientific notation 
(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹
• .520301 x 10⁷
• 5.20301 x 10⁷
• 5.20301 x 10⁸

Tags

CCSS.8.EE.A.4

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸
• 3.937 x 10⁸
• 3.937 x 10⁷
• 3.937 x ⁻²

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 sum of (9.54 x 10⁸) + (3.22 x10⁷) in scientific notation

• 1.276 x 10⁷

• 8.62 x 10¹⁵

• 12.76 x 10⁸

• 9.862 x 10⁸

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

Give the difference of (4.3 x 10¹⁰) - (8.7 x 10⁸)

• 4.4 x 10²

• 4.4 x 10⁸

• 4.213 x 10¹⁰

• 1.85 x 10¹⁰

Tags

CCSS.8.EE.A.4

Give the sum of (8.7 x 10^-7) + (3.23 x 10^-5)

• 1.193 x 10^-12

• 3.317 x 10^-5

• 3.317 x 10^-12

• 5.53 x 10^-2

Tags

CCSS.8.EE.A.4

Give the difference of (6.4 x 10^-6) - (5.7 x 10^-7)

• 5.83 x 10^-6

• 7 x 10^-7

• 1.23 x 10^-13

• 1.3 x 10^-6

Tags

CCSS.8.EE.A.4

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸
• 3.937 x 10⁸
• 3.937 x 10⁷
• 3.937 x ⁻²

Tags

CCSS.8.EE.A.4

Add within scientific notation 
(6.2 x 10²) + (9.7 x 10⁰)

• .6297 x 10²
• 6.297 x 10⁰
• 6.297 x 10³
• 6.297 x 10²

Tags

CCSS.8.EE.A.4