You need to rewrite so we can understand
76.8298
Compatible numbers would be easier. Rounding gives you 14 x 47. Compatible numbers could be 13 x 50 which would be closer to the actual product.
compatible numbers for 673 by 85
What is the answer to the compatible numbers for 380+445
compatible numbers are numbers that are a like or can compared like fact familys!
Numbers are 47 and 48
In general, numbers are not compatible or otherwise in isolation. They are compatible in the context of other numbers. Two (or more) numbers are compatible if their sum (or other combination) is a number which YOU find easy to work with. As you acquire more experience, you may find that more and more numbers become compatible.
Estimate 43/81 by using compatible numbers
568-342 using compatible numbers = 226
1 and 47
47 = XLVII
1 and 47.