Answer:
21
Step-by-step explanation:
3 x 7 is 21
It's hard to read could you just right the number
U should know the area of rectangle is w*l
if we increase it by double or times 2 its area will be
A=2w*2wl
A=4wl
area would be 4 times of original one
Now u can get the answer
5 486 814 rounded to the nearest thousandth so here this is 6th digit:
because 7th digit is 4 we round down:
548.6814≈548,681
It would take 20 hours
300/15= 20
