Intro to Scientific Notation

Is this in correct scientific notation? $1.908×10^{17}$  

• Yes

• No

Is this in correct scientific notation? $0.325×10^{−2}$  

• Yes

• No

Is this in correct scientific notation? $70.9×10^{32}$  

• Yes

• No

Is this in correct scientific notation? $4.0701+10^7$  

• Yes

• No

Is this in correct scientific notation? $1.432×5^8$  

• Yes

• No

Is this in correct scientific notation? $8×10^{-11}$  

• Yes

• No

Which number has the greatest magnitude?

• 5.25 x 10²
• 2.55 x 10⁴
• 5.55 x 10⁵
• 5 x 10³

Which of the following numbers has the smallest magnitude?

• 7 x 10^-8

• 7.1 x 10^-9

• 7 x 10^-11

• 7.1 x 10^-12

The diameter of the planet Mercury is 4.87 x 10⁵ km. The diameter of the planet Venus is 1.21 x 10⁴ km. The diameter of the planet Mars is 1.28 x 10³ km.

Which planet has the smallest diameter?

• Mercury

• Mars

• Venus

Order the following smallest magnitude to largest magnitude. 
a) 1.83 x 10⁵
b) 1.03 x 10⁷
c) 7.15 x 10⁶
d) 1.06 x 10⁸

• d, b, c, a
• a, c, b, d
• b, c, d, a
• d, a, b, c