Question

Estimate using general rule


1. 730+998

Answer 1

Answer:

First estimate that pops into my mind is 1730, I don't know what you mean by "general rule" though.

Answer 2

Therefore, estimate of 730+998 is equal to 1,700 according to the general rule. Therefore, estimate of 796 – 314 is equal to 500 according to the general rule. Therefore, estimate of 12, 904 + 2,888 is equal to 16,000 according to the general rule