Scientific Notation and Exponent Review

• .0000001

• .000001

Tags

CCSS.8.EE.A.3

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

Convert to scientific notation:
520,000,000  

• 52 x 10⁷
• 5.2 x 10⁷
• 5.2 x 10⁸
• 0.52 x 10⁹

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

Tags

CCSS.8.EE.A.3

Add: remember as long as the exponents are the same you just add the first two numbers and keep 10^-5

(2 x 10^-5)+ (7 x 10^-5)

• 9 x 10^-10
• 14 x 10^-5
• 9 x 10^-5
• 1.4 x 10^-4

Tags

CCSS.8.EE.A.4

Subtract: Remember this is the same rule as adding.

(5 x 10⁶) - (3 x 10⁶)

• 2 x 10¹²
• 2 x 10⁶
• 2 x 1036
• 2 x 10⁰

Tags

CCSS.2.NBT.B.5

Multiply: For this you need to use the product rule. Multiply the numbers and add the exponents.

(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Tags

CCSS.8.EE.A.4

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²
• 2.5 x 10¹⁴
• 25 x 10¹²
• 25 x 10¹³

Tags

CCSS.8.EE.A.4

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰
• 3 x 10⁴
• 3 x 10^-4
• 3 x 10^-11

Tags

CCSS.8.EE.A.4