Matematicas 2º ESO

Page 9

I.E.S. “Andrés de Vandelvira” - Sección Europea

Mathematics

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3 Reading powers 6 5 Is read as

The fifth power of six Six to the power of five Six powered to five.

-

The most common is six to the power of five 6 is the base 5 is the index or exponent

Especial cases: Squares and cubes (powers of two and three) 32 is read as: - Three squared - Three to the power of two. 53

Is read as:

- Five cubed - Five to the power of three. The most common is five cubed

Exercise 2 Calculate mentally and write in words the following powers: a) 4 3 = b) 6 2 = 2

c) (− 11) = d) 2 5 = e) 10 3 =

1-4


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