Capacity of Jose vase = 2419 milliliters = 2.419 L First pour = V1 = 1299 milliliters = 1.299 L Second pour = V2 = 398 milliters = 0.398 L
Required: V3
Solution:
Our working formula is, V1 + V2 +V3 = 2.419 Substituting the given, we get 1.299 + 0.398 + V3 = 2.419 Solving for V3, <em>ANSWER: V3 = 0.722 L or 722 milliliters</em>
Mary's mistake was that she didn't take into account of the power that 10 is raised to; since 2.01 is multiplied by 10 to the 6, it makes 2.01 bigger. You can also expand the number to check:
The product will have 9 digits after decimals . This is because the number of decimal points are added in multiplication. For eg. 2.5×2.5=6.25 , 0.5×0.5=0.25 .