How many zeros are in the simplified expression 4×10x

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?