CCSS.Math.Content.8.EE.A.4

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

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CCSS.Math.Content.8.EE.A.3

CCSS.Math.Content.8.EE.A.4

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

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CCSS.Math.Content.8.EE.A.4

(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

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CCSS.Math.Content.8.EE.A.4

When multiplying numbers in scientific notation, what do you do to the leading numbers?
For example:
(4×10⁵)(3×10⁻²)

• Keep them the same
• Divide them
• Add them
• Multiply them

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CCSS.Math.Content.8.EE.A.4

Multiply.

Write the answer in scientific notation.

(2 x 10⁹)(4 x 10⁴)

• 8 x 10⁵

• 6 x 10¹³

• 8 x 10¹³

• 8 x 10³⁶

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CCSS.Math.Content.8.EE.A.4

When dividing in scientific notation, what do you do with the exponents?

• Subtract them

• Divide them

• Keep them the same

• Make them equal

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CCSS.Math.Content.8.EE.A.4

What is scientific notation?

• A long way to write really short numbers

• A short way to write really large or really small numbers

• I don't know...

• None of the above

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CCSS.Math.Content.8.EE.A.4

Give the sum of (8.7 x 10^-7) + (3.23 x 10^-5)

• 1.193 x 10^-12

• 3.317 x 10^-5

• 3.317 x 10^-12

• 5.53 x 10^-2

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CCSS.Math.Content.8.EE.A.4

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10^-3

• .5 x 10³

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CCSS.Math.Content.8.EE.A.4

Which of the following is in order from least to greatest?

• 1, 1000, 5²

• 3 x 10², 4 x 10³, 5 x 10²

• 7 x 10⁴, 3 x 10⁵, 5 x 10⁷

• 1 x 10⁷, 2 x 10⁶, 3 x 10⁵

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CCSS.Math.Content.8.EE.A.4