Question

estimate the value of 50.75 times 0.18

Estimate the value of 196 diveded by 0.499

Estimate the value of 9.9 squared times 1.79

Answer 1

9.14.
392.8
175.4. Hope it helps!

Answer 2

Estimate the value of 50.75 times 0.18.  Round off 50.75 to 50 and 0.18 to 0.2.  

Then the approximate product is 10.  

The exact answer is 9.135.  



9.9^2 times 1.79 could be approx'd by  10^2 times 1.8, or 180.