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View Full Version : Practice - Estimation


Joshua Membreno
Feb 3, 2014, 08:37 AM
which of the following is the best estimate for 502 x 1043


a. 500 b.5,000 c. 50,000 d. 500,000 e. 5,000,000


I need to show work can anyone help me find the answer please

ebaines
Feb 3, 2014, 08:49 AM
Are you familiar with using scientific notation? 502 is close to 5 x 10^2, and 1043 is close to 1 x 10^3. Do you know how to multiply these numbers?