How could you rewrite 91 million as the product of a number and a power of 10?

Which table represents a linear function? i'll give brainliest to first answer ^'^

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove