Question

estimate 6,189 - 3,674 using front-end estimation

Answer 1

Answer:

2500

Explanation

We have 6189 - 3674

 

First look at only the far left digits  so call it 6000 - 3000 = 3000

 

Now for the adjustment:  Looking at the rest of the digits 189 would round to 200

                                                                                    674 rounds to 700

                                                                                    200 - 700 = -500

 

Now add that to the original result:

 

3000 - 500 = 2500

 

Our front end estimation with adjustment is 6189 - 3674 ≅ 2500 

 

Answer 2

Answer:

Estimate 6189= 6000

Estimate 3674= 4000

Estimated Difference= 2000

Step-by-step explanation:

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