If a number in powers-of-ten notation is written as just the number 10 and the exponent, what is assumed to be part of the number?

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?