Approximations, Decimal Places, and Significant Figures (VCE SSCE General Mathematics): Flashcards

Work with numbers when exact values are impractical

When digit to right is 5, 6, 7, 8, or 9

When digit to right is 0, 1, 2, 3, or 4

Position after the decimal point in a number

Number between 1 and 10 multiplied by power of 10

Large number (decimal point moves right)

Small number (decimal point moves left)

Digits in a number that indicate its accuracy

$7.8 \times 10^{6}$

$0.000079$