How do you write the expression #2*x*x*y*y# using exponents?

1 Answer
Jim G.
Jan 9, 2017

#2x^2y^2#

Explanation:

#"An" color(blue)" exponent"# is used whenever numeric or algebraic values are being multiplied #color(blue)"repeatedly".#

#"That is " 2xx2xx2=2^(color(red)(3))larr" numeric values"#

The exponent is #color(red)(3)# since 2 is being multiplied by itself 3 times.

#rArr5xx5xx5xx5=5^(color(red)(4))#

#"and " x xx x xx x=x^(color(red)(3))larr" algebraic values"#

#rArr2xx x xx x xxyxxy=2x^2y^2#

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