How many zeros are in the product 30 × 10 power of 5

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What is the sum of these mixed numbers 2 1/8 + 4 3/8

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b