TEKS.MATH.8.2C

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Tags

TEKS.MATH.8.2C

Write 9.8 x 10^-5 in standard form

• 0.00098
• 0.000098
• .098
• 98,000

Tags

TEKS.MATH.8.2C

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Tags

TEKS.MATH.8.2C

(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

Tags

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

(5x10¹⁰) x (3x10⁷)

• 15x10¹⁷
• 1.5x10¹⁷
• 1.5x10¹⁸
• 1.5x9¹⁷

Tags

TEKS.MATH.8.2C

The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?

• 4.5 x 10^-5
• 45 x 10^-4
• 45 x 10⁴
• 4.5 x 10⁵

Tags

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

Tags

TEKS.MATH.8.2C

The average person blink 2.88 x 10⁴ times a day. How many times does a person blink in year (365 days)? Write your answer in scientific notation

• 367.88 x 10⁴

• 1.0512 x 10⁷

• 1051.2 x 10⁴

• 3.6788 x 10⁷

Tags

TEKS.MATH.8.2C

Solve:
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

Tags

TEKS.MATH.8.2C