JonnStrack JonnStrack

22-01-2016
Mathematics

contestada

two to the negative first plus two to the negative first

Respuesta :

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

If the sale price is $50, and the percent of discount is 75%, then what is the original price?

15 pts!! #10 only!!!

Which of the following describes the variable that responds to a change? Independent variable Dependent variable Control variable

Which European nation conquered Malacca in 1511? A. England B. Portugal C. France D. The Netherlands

Water pollution can be caused by lawn fertilizer and pesticides. a. True b. False

A fish tank has a base area of 45cm

Which sentence best demonstrates the hostile relationship that Scrooge has with society at the beginning of A Christmas Carol?

What is the GCF of 4a and 10a and why?

Early European factors influencing the growth of the Industrial Revolution included the: Crusades printing press cotton gin Morse code

why do people think recycling is bad