student9123 student9123
  • 24-10-2020
  • Mathematics
contestada

3. Simplify using identities
a. 5.89 × 5.89 - 0.11 × 0.11
b. (102)^2
c. (989)^2
d. 105 × 95
e. 9.3 × 8.7

Respuesta :

maxlarson
maxlarson maxlarson
  • 24-10-2020

Answer:

a. 34.68 (Just simplify the expression)

b. 10,404 (Raise  102  to the power of  2 )

c. 978,121 (Raise  989  to the power of  2 )

d.  9,975 (Use long multiplication to evaluate)

e. 80.91 (Multiply  9.3  by  8.7 )

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