Find the stander deviation within 1,2,3 from the mean 455
177
443
448
543
484
525
510
461
480
510
458
515
474
465
461
457
465
468
499
499
486
517
515
463
440
445
397
537
444
584
463
456
437
457
484
485
510
445
416
441
477
460
483,
531
430
487
432

step-by-step explanation:

options

step-by-step explanation:

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3,6 and 7.

step-by-step explanation:

a) unit place of 37 is 7

so the unit place of cube of 37 will be

7³= 343=3

the answer is 3.

b) unit place of 56 is 6, so the unit place of cube of 56 will be

6³= 216=6

the answer is 6.

c) unit place of 133 is 3, so the unit place of cube of 133 will be

3³= 27= 7.

the answer is 7.