Estimate each sum or difference.

358+293=

the exact answer would be 651

Step-by-step explanation:

if you were to estimate I would say you should probably round up to 700

358 plus 293 is 651.And if you would estimate it would be 700 because it is closest to the number 651.Hope it helped:)

Step-by-step explanation:

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.