1.248×10^-2÷7.8×10^-7 express in scientific notation

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?