0

# What numbers would you use to estimate the sum 47 and 21?

Updated: 4/10/2024

Wiki User

11y ago

I would use 47 and 21. It is easy enough to add them without having to waste time with estimates.

I would use 47 and 21. It is easy enough to add them without having to waste time with estimates.

I would use 47 and 21. It is easy enough to add them without having to waste time with estimates.

I would use 47 and 21. It is easy enough to add them without having to waste time with estimates.

Wiki User

11y ago

Wiki User

11y ago

I would use 47 and 21. It is easy enough to add them without having to waste time with estimates.

Anonymous

Lvl 1
4y ago

50 And 20

Anonymous

Lvl 1
4y ago

2

Earn +20 pts
Q: What numbers would you use to estimate the sum 47 and 21?
Submit
Still have questions?
Related questions

### What numbers would you use to estimate the sum of 17.23 and 3.71?

17 and 4: sum is 21.

### What numbers would you use to estimate the sum of 38 and 51?

I would use 40 for the 38 and 50 for the 51. 90 would be my estimate.

### When all addends are about the same you can use to estimate their sum.?

you can use whole numbers

### Which pair of compatible numbers would be best to estimate the sum of 249 and 752?

You could use 250 and 750.

### What numbers would you use to estimate the sum of 23 and 65?

If I had to, I would use 20 and 70.

### When would a scientist use estimate numbers?

When working with very large numbers or very small numbers and they would use a system of numeracy known as scientific notation.

### What numbers would you use to estimate the sum of 17 and 75?

20 and 80 based on conventional rules. 20 and 70 to be more accurate.

### Use the numbers 5678 to write an equation with the largest possible sum?

5678 + 8765 = 14443 would yield the largest possible sum.

5.6261

50.0000.000

### A method used to estimate a sum when all addends are close to the same value?

Hm well you can use whole numbers. Now my boy do you get it? Get that brain working!

### How do you use comparable numbers to estimate multiplication?

the answer is yes because you can estimate any numbers