Adding & Subtracting Scientific Notations

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 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

(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

What is the ONLY thing that matters when adding and subtracting numbers in scientific notation?

• That the exponents are different

• That the constants are the same

• That the exponents are the same

• That both constants are positive

Tags

CCSS.8.EE.A.4

When adding and subtracting in scientific notation, what do you do with the constants?

• Make them the same

• Add/subtract them

• Keep them

• Multiply/divide them

Tags

CCSS.8.EE.A.4

True or false: When moving the decimal, if you move left, the exponent gets bigger, and if you move right, it gets smaller.

• True

• False

Tags

CCSS.8.EE.A.4

How many numbers can be in front of the decimal if the number is in correct scientific notation?

• Only a Zero

• One

• Two

• Any amount

Tags

CCSS.8.EE.A.3

True or False: Scientific Notation is only used to re-write really really big numbers to make them easier to work with.

• True

• False

Tags

CCSS.8.EE.A.3