eded help with question 2 that was submitted not question 1.

Could you explain why 2.5 is the correct answer ?

A scanning electron micrograph of xylem vessels in a corn root shows the vessels magnified by a factor of 608. In the micrograph the xylem vessel is 5.60 cm in diameter. What is the diameter of the vessel itself, answer in cm? and By what factor has the cross-sectional area of the vessel been increased in the micrograph?

a) A robin flies a distance of 45 963 cm. How far has it flown in kilometres?(b) What is the speed in metres per second of a car that is travelling at 82 km/h? (c) What is the speed in kilometres per hour of a  27.78 m/s baseball pitch?(d) How many seconds are there in a calendar year,  given that a calendar year has 365.24 days in it? T/I

Exactly 640 acres are in one square mile, and one mile equals 1609 meters. How many square meters are in 2.2 acres?

An auditorium is 45 meters wide and 60 meters long. The COVID- 19 code requires 1.4 meter radius space for each person occupying the auditorium. What is the searing capacity of the auditorium? (Hint: find the 1.4 meter radius area and divide with the auditorium area available.)

This sheet is not actually being graded. It's just a test review. I need help with 3-5.

One foot equals 30.48 centimeters. How tall in meters is a 5.96 ft person?

what would it be if the leg length was 1.9m

CANNOT BE HAND-DRAWN, THE EXPLANATION MUST BE TYPED OUT