Scientific Notation

Math ⇒ Number and Operations

Scientific Notation starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Scientific Notation. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 8

A distance is measured as 1.5 × 10⁸ meters. What is this distance in standard form?

A scientist measures the mass of a cell as 3.2 × 10^-12 grams. Write this number in decimal form.

Add: (2.5 × 10³) + (3.5 × 10³) and write the answer in scientific notation.

Convert 0.0039 to scientific notation.

Convert 5,600,000 to scientific notation.

Divide: (8 × 10⁶) ÷ (2 × 10²) and write the answer in scientific notation.

Explain the steps to convert a decimal number to scientific notation.

Explain why scientific notation is useful when dealing with very large or very small numbers.

Express 0.00032 in scientific notation.

Express 2.34 × 10⁶ as a standard number.

Express 3.6 × 10^-5 as a decimal.

Express 4.2 × 10^-2 as a decimal.

If a number is written as 4.7 × 10ⁿ and equals 47,000, what is the value of n?

If a number is written as 5.0 × 10ⁿ and equals 0.005, what is the value of n?

If a number is written as 9.1 × 10ⁿ and equals 0.00091, what is the value of n?

Multiply: (3 × 10⁵) × (2 × 10³) and write the answer in scientific notation.

Subtract: (7.2 × 10⁴) - (2.2 × 10⁴) and write the answer in scientific notation.

What is the coefficient in the scientific notation 8.4 × 10⁷?

What is the decimal value of 9.5 × 10²?

What is the exponent in the scientific notation 6.02 × 10²³?