Scientific Notation

Convert & calculate in scientific notation

Grades 8–9

Convert numbers and calculate in scientific notation

Enter standard number or scientific notation

Presets

Result

Standard Form:

45000

Scientific Notation:

4.5 × 10^4

Converting: Standard → Scientific

Step 1: Identify the Number

Starting value: 45000

Step 2: Move the Decimal

Move decimal 4 places to the left

45000 → 4.5 × 10^4

Step 3: Check the Rule

Coefficient must satisfy: 1 ≤ |coefficient| < 10

|4.5| = 4.5 ✓ Valid

Rule Reminder

Scientific notation: a × 10^n where 1 ≤ |a| < 10

Moving decimal left → exponent gets more positive

Moving decimal right → exponent gets more negative