Evaluate

6_0.222_7.0

and round the answer appropriately.

Express your answer numerically using the appropriate number of significant figures.

Evaluating the given expression 6-0.222-7.0 would yield to a value of - 1.222. Following the significant figures rule for adding numbers, the final answer should be - 1 since from the values in the expression the least number of significant figure is 1. Hope this answers the question. Have a nice day.