Estimate 137,638 plus 52,091

190,000.

Step-by-step explanation:

We are asked to estimate the sum of 137,638 plus 52,091.

First of all, we will round both digits to nearest ten thousands as:

Add both numbers:

Therefore, our required sum would be 190,000.

in mathematics, a function is a relationship between two variables such that the value of one of the variables, called the dependent variable, is determined by the value of the other variable, called the independent variable. there is a specific term we use to describe the set of independent variables of a function.

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.