TEKS.MATH.8.2C

7.94 x 10⁶

• Rational
• Irrational

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TEKS.MATH.8.2C

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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TEKS.MATH.8.2C

What is the simplified version of

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

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TEKS.MATH.8.2C

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

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TEKS.MATH.8.2C

What does the rate have to be in?

• scientific notation

• negative integers

• positive integers

• decimal

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TEKS.MATH.8.2C

A TV show had 3.5 × 10⁶ viewers for their first episode and 8.5 × 10⁶ viewers for their second episode. How many viewers did they have overall?

• 1.2 x 10⁷

• 1.2 x 10^-7

• 1.2 x 10⁶

• 1.2 x 10^-6

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TEKS.MATH.8.2C

Which of the following has the greatest value?

• 3.5 x 10⁴

• 2.1 x 10⁶

• 7.2 x 10⁷

• 9.9 x 10⁵

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TEKS.MATH.8.2C

Which of the following are correct scientific notation? SELECT ALL THAT APPLY

• 20.35 x 10⁴

• 2 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

• 2.035 x 8¹⁰

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TEKS.MATH.8.2C

What is the main reason we sometimes write numbers in scientific notation?

• because it's a shorter way to write really long numbers

• it's the teacher's favorite way

• exponents are always easier than standard form numbers

• because elephants weigh a lot

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TEKS.MATH.8.2C

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10^-7

• 5.2 x 10⁸

• 0.52 x 10⁹

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TEKS.MATH.8.2C