how many different combinations are there for 1-4?

how many different combinations are there for 1-4?
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2 Answers

If order matters (1234 is different than 4321), then there are 4 * 3 * 2 * 1 = 24 ways

If order doesn't matter (1234 is the same as 4321), then there is only 1 way.
by Level 13 User (103k points)

64 possible combinations with the numbers 1-4
1111
1112
1113
1114
1121
1122
1123
1124
1131
1132
1133
1134
1141
1142
1143
1144
1211
1212
1213
1214
1221
1222
1223
1224
1231
1232
1233
1234
1241
1242
1243
1244
1311
1312
1313
1314
1321
1322
1323
1324
1331
1332
1333
1334
1341
1342
1343
1344
1411
1412
1413
1414
1421
1422
1423
1424
1431
1432
1433
1434
1441
1442
1443
1444
2111
2112
2113
2114
2121
2122
2123
2124
2131
2132
2133
2134
2141
2142
2143
2144
2211
2212
2213
2214
2221
2222
2223
2224
2231
2232
2233
2234
2241
2242
2243
2244
2311
2312
2313
2314
2321
2322
2323
2324
2331
2332
2333
2334
2341
2342
2343
2344
2411
2412
2413
2414
2421
2422
2423
2424
2431
2432
2433
2434
2441
2442
2443
2444
3111
3112
3113
3114
3121
3122
3123
3124
3131
3132
3133
3134
3141
3142
3143
3144
3211
3212
3213
3214
3221
3222
3223
3224
3231
3232
3233
3234
3241
3242
3243
3244
3311
3312
3313
3314
3321
3322
3323
3324
3331
3332
3333
3334
3341
3342
3343
3344
3411
3412
3413
3414
3421
3422
3423
3424
3431
3432
3433
3434
3441
3442
3443
3444
4111
4112
4113
4114
4121
4122
4123
4124
4131
4132
4133
4134
4141
4142
4143
4144
4211
4212
4213
4214
4221
4222
4223
4224
4231
4232
4233
4234
4241
4242
4243
4244
4311
4312
4313
4314
4321
4322
4323
4324
4331
4332
4333
4334
4341
4342
4343
4344
4411
4412
4413
4414
4421
4422
4423
4424
4431
4432
4433
4434
4441
4442
4443
4444

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by Level 8 User (30.1k points)

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