TEKS.MATH.8.2C

2305684 converted to scientific notation is ______.

• 2.305684 x 10⁶
• 2.305684 x 10^-6
• 0.2305684 x 10⁷
• 0.2305684 x 10^-7

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TEKS.MATH.8.2C

_________ is an easier way to write large numbers by taking a number between 1 and 10 and multiplying it by 10 raised to a power.

• Scientific Notation
• Direct Variation
• Scale Factor
• Exponents

Tags

TEKS.MATH.8.2C

Multiply:
(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

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TEKS.MATH.8.2C

Which of the following is correct scientific notation?

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

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TEKS.MATH.8.2C

(7.7 x 10²) + (1.1 x 10²)=

• 8.8 x 10⁴
• 6.6 x 10⁴
• 8.8 x 10²
• 6.6 x 10²

Tags

TEKS.MATH.8.2C

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

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TEKS.MATH.8.2C

If a computer can perform an addition operation in 1.5 x 10^-6 seconds, how long will it take to perform 1500 such operations?

• 2.25 x 10^-3 seconds
• 2.25 x 10^-6 seconds
• 2.25 seconds
• 2.25 x 10⁶ seconds

Tags

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

Tags

TEKS.MATH.8.2C

1. The pitch of a sound is determined by the number of vibrations produced per second. The note “middle C” produces 2.62 x 10² vibrations per second. If a pianist plays middle C for 5 x 10^-1 seconds, how many vibrations will occur? Which operation would you use to solve this problem?

• Addition

• Subtraction

• Multiply

• Divide

Tags

TEKS.MATH.8.2C

By area, Russia is the largest country in the world. It has an area of 8.649 x 10⁶ square miles. Canada is second with 4.797 x 10⁶ square miles. What is the difference in area?

• 3.852 x 10⁶ square miles

• 3.852 x 10⁰ square miles

• 1.803 x 10⁶ square miles

• 1.803 x 10¹ square miles

Tags

TEKS.MATH.8.2C