Westonci.ca is the best place to get answers to your questions, provided by a community of experienced and knowledgeable experts. Connect with a community of experts ready to help you find accurate solutions to your questions quickly and efficiently. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

To solve this expression, which operation should be performed last?
[21-(5 + 2)]^2 x 3

A. numbers inside brackets squared

B. subtract 7 from 21

C. multiply by 3

D. add 5 to 2