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Significant Figures
the digits of the demical form of a # beginning with the leftmost nonzero digits and extending to the right

Define Inversely Proportional
a relationship where a # either increases as another decreases OR decreases as the another increases

Define Directly Proportional
a relationship where a # increases or both decreases together with another # at the same ratio

Define Accuracy
how close the average of a set of measurements is to the accept value (AAA)

Define Precision
how close a set of measurement values are to one another (reproducibility)

Define Density
the amount per unit size

Tera is equal to what ??
T, 10^12

Giga is equal to what ??
G, 10^9

Mega is equal to what ??
M, 10^6

Kilo is equal to what ??
K, 10^3

Hecto is equal to what ??
h, 10^2

Deka is equal to what ??
da, 10^1

Deci is equal to what ??
d, 10^1

Centi is equal to what ??
C, 10^2

Mili is equal to what ??
m, 10^3

Micro is equal to what ??
M, 10^6

Nano is equal to what ??
n, 10^9

Pico is equal to what ??
p, 10^12

Solve: (2.1 * 10^6)(4.0 * 10^4)
8.4 * 10^2

1.6 * 10^8/ 8.0 * 10^3
2. * 10^6

4.0 * 10^4
+6 * 10^3
4.6 * 10^7

8.0 * 10^4
 9 * 10^5
7.1 * 10^4

What is the Density Formula ??
D=m/v

What is the % Error Formula ??
% Error= expacc divide by acc, multiplied by 100 %

