Scientific Notation - What the Calculator Does!!

What is the first step in adding two numbers in scientific notation?

• Multiply the two numbers

• Make sure the exponents are the same

• Add the coefficients directly

• Change the numbers to decimal form

Tags

CCSS.8.EE.A.4

Which of the following is a correct addition of numbers in scientific notation?

• (3.0 × 10^4) + (4.0 × 10^5)

• (5.2 × 10^3) + (3.8 × 10^3)

• (2.1 × 10^2) + (1.0 × 10^3)

• (6.0 × 10^6) + (2.0 × 10^7)

Tags

CCSS.8.EE.A.4

If you have (3 x 10^2) ÷ (6 x 10^4), how do you handle the exponents?

• Add them

• Subtract them

• Ignore them

• Multiply them

Tags

CCSS.8.EE.A.4

Calculate (5 × 10^4) × (3 × 10^2).

• 15 × 10^6

• 15 × 10^5

• 15 × 10^4

• 15 × 10^7

Tags

CCSS.8.EE.A.4

If you multiply (4 × 10^−3) × (2 × 10^2), what is the correct exponent?

• −1

• −5

• −3

• −2

Tags

CCSS.8.EE.A.4

What is (2.5 x 10^3) + (3.5 x 10^3)?

• 6.0 x 10^3

• 6.0 x 10^6

• 0.6 x 10^4

• 6.0 x 10^4

Tags

CCSS.8.EE.A.4

For (6 × 10^1) ÷ (2 × 10^{-3}), how do you find the exponent in the result?

• A) 1 - (-3)

• B) 1 + 3

• C) 1 - 3

• D) 1 + (-3)

Tags

CCSS.8.EE.A.4

• Convert to standard form

• Change the base to the same power of ten

• Add the coefficients

• Convert both to fractions

Tags

CCSS.8.EE.A.4

What is the result of (9.0 × 10^6) + (1.5 × 10^7)?

• 2.4 × 10^7

• 2.4 × 10^6

• 2.4 × 10^8

• 0.24 × 10^8

Tags

CCSS.8.EE.A.4

What is the result of (8 × 10^5) ÷ (4 × 10^2)?

• 2 × 10^3

• 2 × 10^4

• 2 × 10^5

• 2 × 10^6

Tags

CCSS.8.EE.A.4