The area of the field used to grow the crops is 4125 ft².
The area of the field used to grow the crops is 4.1x 10³ ft² .
The final answer was rounded off to two significant numbers.
Scientific notation is used to condense large numbers into smaller numbers. In order to write a number in scientific notation the number is written as a decimal number, between 1 and 10 and multiplied by a power of 10.
For example, : 2 x 10² is equivalent to 200
The area of a rectangular field = length x width
Area of the rectangular field used to grow the crops : 1/2 x (2.5 x 10³) x (3.3 x 10³)
1/2 x (8.25 x [tex]10^{3+3}[/tex])
1/2 x (8.25 x [tex]10^{6}[/tex])
4.125 x 10³ ft²
= 4125 ft²
= 4.1x 10³ ft² (rounding off to two significant numbers)
To learn more about scientific notation , please check: https://brainly.com/question/25334755
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