Significant Figures (AQA A-Level Biology): Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
What are significant figures?
What are significant figures?
Meaningful digits in a measurement that indicate its precision
Are non-zero digits significant?
Are non-zero digits significant?
Yes, always significant
Are intermediate zeros significant?
Are intermediate zeros significant?
Yes, always significant
Are leading zeros significant?
Are leading zeros significant?
No, not significant
Are trailing zeros after decimal point significant?
Are trailing zeros after decimal point significant?
Yes, significant
How many sig figs in 78?
How many sig figs in 78?
2
How many sig figs in 706?
How many sig figs in 706?
3
How many sig figs in 0.00567?
How many sig figs in 0.00567?
3 (digits 5, 6, and 7)
How many sig figs in 45.60?
How many sig figs in 45.60?
4
Why use standard form for sig figs?
Why use standard form for sig figs?
Clarifies precision and eliminates ambiguity