(Scientific Notation in the Real World HC)A farmer is planning how to use the land in a rectangular field. The rectangle shown represents the field.Part A: What is the area of the field in square feet? Show every step of your work. (2 points)Part B: Write the final answer in scientific notation with the correct number of significant digits. (1 point)Part C: Explain how you chose the number of significant digits in the final answer. (1 point)

Calculate and round to the correct number of significant digits.8. 37.64 cm 12.5 cm9. 3.5 ft. × 4.218 ft.10. 3.45 in. + 4.2 in.

(Scientific Notation in the Real World LC)You are solving a measurement problem where the numbers 4.5160 x 10−3, 2.09 x 107, and 5.8 x 103 are multiplied. How many significant digits should the product have? 2 1 5 3

Number of significant digits in 0.0028900 is ______

4. Write the following numbers and results in standard notation, with appropriate significant figures.  a) 7.00 x 10^-5, b) 5.920 x 10^31 point0.000700, 59200.00007, 5920.0.0000700, 59200.0000700, 5920.Clear selection

If the number of significant digits is known or not specified particularly, then the accepted engineering standard is to use -------- significant digits.Group of answer choicestwofouronethree