Scientific Notation Adding Subtracting Multiplying and Dividing

Evaluate. Leave your answer in scientific notation. 
(3.4×10⁴)(2×10⁴)

• 6.8×10⁴

• 5.4×10⁴

• 6.8×10⁸

• 5.4×10⁸

Evaluate. Leave your answer in scientific notation. 
(9.6×10⁸)  ⁄  (3×10⁴)
(hint - it's division...)

• 6.6×10²

• 3.2×10¹²

• 3.2×10⁴

• 6.6×10⁴

Which inequality sign should be placed between these numbers to make it a true/correct statement?
7.6×10⁴      ?       0.00076

• <

• >

• =

Determine the missing value.
(5.4×10^?)(3.2×10³) = 17.28×10¹⁵

• 12

• 8

• 18

• 5

(9.6×10³) × (6.7×10²)

• 64.32×10⁵

• 6.432×10⁶

• 64.32×10⁶

• 64.32×10⁵

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³

• 8 x 10³⁶

• 8 x 10⁵

• 8 x 10^-36

(20 x 10⁵⁰) / (4 x 10¹⁵)

• 2.4 x 10⁵¹

• 5 x 10⁶⁵

• 8 x 10⁶⁶

• 5 x 10³⁵

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

(9.6×10^-8)÷(2×10^-15)

• -4.8×10⁷

• 4.8×10⁷

• 4.8×10^-7

• -4.8×10^-7

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