# Significant Figures For 812.11 - 3.0 × 128.0

812.11 - 3.0 × 128.0 = 432
Sig Figs
3
Decimals
0
Scientific Notation
4.32 × 102

## Steps

1 3.0 × 128.0 = 384 Round 384 → 380 (Sig Figs: 2) 812.11 - 380 = 432.11 Round 432.11 → 432 (Decimals: 0)

## Инструкции

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The result along with the steps taken to reach it will appear above.

The following sig fig rules are used:

• Addition (+) and subtraction (-) round by the least number of decimals.
• Multiplication (* or ×) and division (/ or ÷) round by the least number of significant figures.
• Logarithm (log, ln) uses the input's number of significant figures as the result's number of decimals.
• Antilogarithm (n^x.y) uses the power's number of decimals (mantissa) as the result's number of significant figures.
• Exponentiation (n^x) only rounds by the significant figures in the base.
• To count trailing zeros, add a decimal point at the end (e.g. 1000.) or use scientific notation (e.g. 1.000 × 10^3 or 1.000e3).
• Zeros have all their digits counted as significant (e.g. 0 = 1, 0.00 = 3).
• Rounds when appropriate, after parentheses, and on the final step.

## How To Perform Sig Fig Calculations

Read our article on sig fig rules.

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