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Explanation:
8 x x 2 first x can be 0 - 9 <==== 10 choices
second x can also be 0 -9 <====10 choices for each of the FIRST 10 choices
10 x 10 = 100 possible plates.
8 00 2
8012
8022
.
8 99 2
Answer:
a) see below
b) 100
a)
8 _ _ 2
8002
8032
8042
8052
8062
8072
8082
8092
8112
8122
8132
8142
8152
8162
8172
8182
8192
8202
8212
8222
8232
8242
8252
8262
8272
8282
8292
8302
8312
8322
8332
8342
8352
8362
8372
8382
8392
8402
8412
8422
8432
8442
8452
8462
8472
8482
8492
8502
8512
8522
8532
8542
8552
8562
8572
8582
8592
8602
8612
8622
8632
8642
8652
8662
8672
8682
8692
8702
8712
8722
8732
8742
8752
8762
8772
8782
8792
8802
8812
8822
8832
8842
8852
8862
8872
8882
8892
8902
8912
8922
8932
8942
8952
8962
8972
8982
8992
b) There are 100 different license plates.
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