In research essays, brackets [ ] are used by writers to demonstrate when:.a. small changes have been made within exact quotations. b. outside resources have been cited. c. original sources have been paraphrased. d. parts of a quotation were already within quotation marks.

A. small changes have been made within exact quotations.

Step-by-step explanation:

Brackets are pair of marks which enclose words or figures in order to separate them from the context. Thus, the use of brackets indicate that the quotation's exact punctuation has been adapted to the punctuation or grammar structure of the essay.

0.6, 3/5, and 6% are the 3 same portion.

but, when they're all changed to a decimal they would equal to 0.6.

hope this , good luck!

not me

step-by-step explanation:

i wish i did i would like to get a desert ghost ball python