# Significant Figures For 10.3 + 0.01345 ÷ 10.3 × 0.01345

10.3 + 0.01345 ÷ 10.3 × 0.01345 = 10.3
Sig Figs
3
Decimals
1
Scientific Notation
1.03 × 101

## Steps

1 0.01345 ÷ 10.3 = 0.001305825242718447 0.001305825242718447 × 0.01345 = 1.756334951456311E-5 Round 1.756334951456311e-5 → 1.76e-5 (Sig Figs: 3) 10.3 + 1.76e-5 = 10.3000176 Round 10.3000176 → 10.3 (Decimals: 1)

## Tagubilin

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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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