jsurginer2000otz2ik
jsurginer2000otz2ik jsurginer2000otz2ik
  • 12-09-2017
  • Mathematics
contestada

Find the value of 21 + 4(3/\2 - 5). The two after the three is an exponent.

Respuesta :

vanessareynoso
vanessareynoso vanessareynoso
  • 12-09-2017
first. distribute and multiply the the 4 to the 3^2 and the -5
so then it becomes 21+ 36 - 20
second. add and subtract that
answer is: 37
Answer Link
Аноним Аноним
  • 12-09-2017
use PEMDAS - order of operations

First work out the the parentheses:-
21 + 4(3^2 - 5)
= 21 + 4(9 - 5)
= 21 + 4*4                           Now the multiplication:-
=  21 + 16
= 37
Answer Link

Otras preguntas

Simplify the ratio:26:65
what factor is paired with 5 to give 45
How do you simplify -9(10n-8)+4n?
What agency was the "centerpiece" of the Great Society? What new approach to fighting poverty did it bring?
How can i write all the names that apply to -7/8, √0.15, √18/2, √45
What are the steps to solving 46-3t=-23
During a 3-hour storm, it snow 2.5 inches. Jacob said that it snowed an average of about 8 inches per hour. What is the error?
If you were writing an electron configuration for a bromine atom , which elemental symbol would you place in the bracket
Describe an advantage of using dry ice to ship cardboard cartons of ice cream over long distances.
What agency was the "centerpiece" of the Great Society? What new approach to fighting poverty did it bring?