Question

A student made a model of an onion skin cell she viewed using a microscope. The scale is 1:500.The students cell model has a length of 15cm. How many centimeters is the real cells length?

Answer 1

Answer: 0.03 cm

Explanation:

I'm taking the test on apex and I had to guess

Answer 2

The actual cell size is 0.03 cm.

Scale is a term to refer to the ratio of proportion between the actual dimensions of an object and those of a representation of it.

When we are reading a representation to scale it is necessary to bear in mind that it is expressed as follows:

1 : X

In this expression the number that is put in the position of the X represents the amount of centimeters that represents a real centimeter that represents 1 centimeter in the graph.

For example, if the map says that its scale is 1:10 it is because each cm in the representation is equivalent to 10 cm of reality.

Additionally, if a student made a model of a cell with a scale of 1: 500 and the size of her model is 15 cm. and we need to know the real size of the cell we do the following procedure.

We divide the length of the model (15cm) into the scale value (500)

15/500 = 0.03 cm

According to the above, the actual cell size is 0.03 cm.

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