I can’t figure out the answer

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work

Norder to get a certain shade of blue paint, a mixer must have 5 parts white paint to 3 parts blue. if 4 gallons of paint must be mixed, how many gallons of white paint must be used?