Which of the following numbers has the most number of significant digits?
OA) 1.56
B) 23.07755
OC) 500.005
OD 1.005

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis

The actual length of side t is 0.045cm. use the scale drawing to find the actual side length of w

Im so bad at fractions they are not my best math thing to work on