3rd option because it is equivalent to it
Well, their speeds are (
is Jack's speed, and
is Richard's.
They, together, can paint 12 houses in 35 days. To get a single house, we only have to calculate
which is very close to 3 (a bit below)
Answer:
1.72e-3 = 1.72 x 10-3 = 0.00172
Step-by-step explanation:
72e-3 is a scientific notation used in mathematics, physics, chemistry, astronomy and other sciences to handle either very large or very small numbers. With scientific notation adding, subtracting, multiplying and dividing numbers becomes much simpler
-.425 divide the top number by the bottom number :)