word math issue, math homework help
word math issue, math homework help
Estimate the following quantities without using a calculator. Then find a more precise result, using a calculator if necessary. Discuss whether the approximation technique worked.
a. 400,000×200
b. 5.2 million×2.6 thousand
c. 4×10^9÷(1.8 x 10^6)
The approximate value of 400,000×200
is
(Use scientific notation. Use the multiplication symbol in the math palette as needed.)

