A student looks through an eyepiece which magnifies by 10x and on objective lens 4x. What is the total magnification?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?