Scientific Notation Calculator › 423 in scientific notation

423 in Scientific Notation

423 = 4.23 × 10²

Standard form4.23 × 10²
Coefficient4.23
Exponent2

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How 423 breaks down

423 has 3 digits, so it lands in the hundreds — the order of magnitude 10². That is why the exponent is 2.

Expanded form4.23 × 10 × 10
E-notation (calculators)4.23E2
Significant figures3
Order of magnitude10² (hundreds)

Reading it back: 4.23 × 10 × 10 = 423.

Nearby numbers in scientific notation

413 · 422 · 424 · 433

Frequently asked questions

What is 423 in scientific notation?

423 in scientific notation is 4.23 × 10². The coefficient is 4.23 and the exponent is 2.

How do you convert 423 to scientific notation?

Move the decimal point so one non-zero digit stays to its left (giving 4.23), then count the 2 places you moved it — that is the exponent 2. So 423 = 4.23 × 10².