It is: 350 to the nearest 10
350
300
It is 346,000 rounded to the nearest 1,000
300
Take your choice out of: 345, 346, 347, 348 and 349
300
347 km to the nearest 100 km is 300 km. since 300 is close to 347
300
300 is.
There are 60 seconds in one minute. 60 x 347 = 20820. Therefore there are 20,820 seconds in 347 minutes.
347 / 60 = 5.783 hours, or 5 hours and 47 minutes.
300