Park Crest Middle School has a population of about 400 8th graders. Park Crest is one of the several middle schools in a state which has a total of 804,000 8th graders. Use power of ten to estimate about how many times greater the states population of 8th graders is compared to the number of 8th graders at Park Crest Middle School. (scientific notation)

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided. write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !

If the segment op is dilated by a scale factor r=2, what is the length of segment op? a)10cm b)16cm c)6cm d)4cm