900,000,000. move the decimal until you have a number between 1-10 so move it 8 times and you'll have 9×10^8
Answer:
80,000
Step-by-step explanation:
because you are just adding a extra zero
2/10 because 0.7/7 is equal to one tenth, so 1.4/7 is equal to 2/10
Part A: 3x + 15 = 5x - 25
Part B: x = 20