david167 david167

24-08-2018
Mathematics

contestada

evaluate 7^2 + (4x5) - 2^3

Respuesta :

brooklyns357 brooklyns357

24-08-2018

Remember PEMDAS! Do the parenthesis first so 4x5 is 20. So now write it out as 7^2+20-2^3 now next is exponents. 7x7 is 49 and -2x-2x-2 is -8. now write it as 49+20+-8. Now solve from left to right. 49+20 is 69 now subtract 8 which is 61. 61 is your answer! I hope this worked!

Answer Link

Otras preguntas

What is a like term?

How do we define “The Industrial Revolution”? Describe the time period and what makes it a well known era of history?

Write 2 comparative sentences between Canada and Colombia

Unlike fractions find the sum 2/8+1/3=

Bridgette has 20$ in a savings account the interest rate is 5% , compounded annually. To the nearest cent, how much will she have in 2 years

PLS I NEED HELP THIS IS THE LAST QUESTION FOR MY GEOMETRY WORKSHEET ANYTHING IS APPERCIATED

Which POV is used in the following passage? The fair boy was peering at the reef through screwed-up eyes. “All them other kids,” the fat boy went on. “Some of t

anyoneeee know thissss!?

I NEED HELP ASAP PLEASE

niles casts a shadow that is 8 feet long and at the same time his dog casts a shadow that is 30 inches long. If niles 5 1\2 feet tall, how tall is his dog? Roun