select 3 number that round to 310 when rounded to the nearest ten.

Question

320
299
311
295
319
296
317
302
309
297
316
313

Answer 1

To find which numbers round to 310 when rounded to the nearest ten, we need to identify numbers that, when rounded to the nearest ten, yield 310.

The range of numbers that round to 310 when rounded to the nearest ten is from 305 to 314 (inclusive):

• 305 rounds to 310
• 306 rounds to 310
• 307 rounds to 310
• 308 rounds to 310
• 309 rounds to 310
• 310 rounds to 310
• 311 rounds to 310
• 312 rounds to 310
• 313 rounds to 310
• 314 rounds to 310

Now let's look at the provided options:

• 320: 320 rounds to 320
• 299: 299 rounds to 300
• 311: 311 rounds to 310
• 295: 295 rounds to 300
• 319: 319 rounds to 320
• 296: 296 rounds to 300
• 317: 317 rounds to 320
• 302: 302 rounds to 300
• 309: 309 rounds to 310
• 297: 297 rounds to 300
• 316: 316 rounds to 320
• 313: 313 rounds to 310

The numbers that round to 310 are:

1. 311
2. 309
3. 313

Thus, the three numbers that round to 310 are 311, 309, and 313.