200,000,000+8,000,000+400+70+8
Answer:
11
Step-by-step explanation:
I looked it up for you so no problem
1 kilometers =1000 meters
0.86km=0.86*1000=860m
John swam 860 meters each day.
1 week = 7 days
3weeks=3*7=21
21*860=18060 m
Therefore he swam 18060 meters in those three weeks.
Answer:
my estimation is 67
Step-by-step explanation:
Answer:
HCF X LCM= product of two numbers
14 x 840 = 42 x other number
other number= 14x840/42=280