# Posts Under Category Systems of Measurement

Issues and problems about magnitudes and units, conversion of units, dimensions of magnitudes, scientific notation, significant figures and order of magnitude.

## Rules about significant figures 0005

Apply the appropriate rule for significant figures to calculate the following: a) 12.367 + 8.60 ; b) 5.39 x 1.045 ; c) 0.0012 x 4 268.35 ; d) (6.200 x 0.543) + 3.914

## Rules about significant figures 0004

Apply the appropriate rule for significant figures to calculate the following:

a) 1.58 x 0.03
b) 1.4 + 2.53
c)

## Rules about significant figures 0003

Solve the multiplication using the correct number of significant figures: 9.27 x 2.6

## Rules about significant figures 0002

Find the sum of 1245.56 and 81.45621

## Rules about significant figures 0001

Find the sum of 12.564 and 2.569.

## Magnitudes and Units 0002

In one mole of any substance there are particules. If you are able to count 2000 particules per second, how long would you take to count one mole? Express the result in years.

## Conversion of units 0009

A liter (L) is the volume of a cube with edge of 10 cm. If you drink 1 L of water, how much volumen in cubic centimeters and in cubic meters would it occupied in your stomach?

## Conversion of units 0008

Convert to units indicated:

a)

b)

c)

d)

## Conversion to SI units 0003

Convert to SI units the following magnitudes:

a)

b)

c)

d)

e)

## Conversion of units 0007

Convert to units indicated:

a)

b) 3.7 mi km

c) 12.5 kn

d)

e)

f)

Data: (1 mi = 1609 m ; 1 kn = 0,514 m/s)

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