Scientific Notation and Exponent Laws and Estimating Imperfect Squares

Evaluate: 3^-2 = ?

• 1/9

• -6

• -9

• -1/6

Tags

CCSS.8.EE.A.1

Simplify (2⁸)² as exponents.

• 2¹⁶

• 2¹⁰

• 2⁶

• 2⁴

Tags

CCSS.8.EE.A.1

According to exponent rules, when we multiply exponents with the same base we _______ the exponents.

• Multiply

• Add

• Divide

• Subtract

Tags

CCSS.8.EE.A.1

The Earth is approximately 9.3 x 10⁷ miles from the sun. How far is that in standard form?

• 93,000,000

• 930,000,000

• 93.7

• 93 billion

Write the answer in scientific notation.

4.1 x 10⁵ + 5.5 x 10⁶ =

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Tags

CCSS.8.EE.A.4

Write 8^-3 in standard form.

• 1/512

• 512

• 8 x 8 x 8

• -8 x -8 x -8

Tags

CCSS.8.EE.A.1

• x⁴
• x⁸
• x¹²
• x²⁰

Tags

CCSS.8.EE.A.1

What is the missing exponent in 10^x = 1000?

• 2

• 3

• 10

• 100

Tags

CCSS.5.NBT.A.2

What is (5 x 10⁴) + (6.1 x 10⁴) written in standard form?

• 11.1 x 10⁸

• 1.11 x 10⁴

• 11,000

• 111,000

Tags

CCSS.8.EE.A.4

Write 10^-4 in standard decimal form.

• 1000

• .001

• .0001

• 10,000

Tags

CCSS.8.EE.A.3