JonnStrack
JonnStrack JonnStrack
  • 22-01-2016
  • Mathematics
contestada

two to the negative first plus two to the negative first

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 05-02-2016
negative exponents mean reciprocals
so
one law of exponents is
[tex] x^{-m} [/tex]=[tex] \frac{1}{ x^{m} } [/tex]
so
(2^-1)=1/(2^1)=1/2
there are 2 so we add
(2^-1)+(2^-1)=1/2+1/2=1
answer is 1
Answer Link

Otras preguntas

How can a scientist use adaptations to determine if one organism is related to another?
What was the knitted rope used to send messages by the Inca Called?
What kind of person is squeaky?
who wrote wuthering heights?
Before Darwin could take as a cleric he was offed a job as a
Maria wrote out her monthly budget on the yellow pad shown. She wants to save up to buy a large screen television from Screen World that would cost $2,000. What
how was the Vietnam war different from previous wars ?
can someone help me with this question pls? its in the picture :)
Maxim manufactures a hamster food product called Green Health. Maxim currently has 10,000 bags of Green Health on hand. The variable production costs per bag ar
can someone please help me Solve 5x + 1 > 6?