Why does multiply numbers by 10 move the decimal point to the right but multiplying by 0.10 move the decimal point to the left

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?

Lines f and g are cut by the transversal d. the measure of 1 = 2x + 35 and the measure of 8 = 10x - 85. what value of x will show that lines f and g are parallel? a. 19 b. 26 c. 18 d. 15