Page 58 - TB_5B
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b. What is the last digit of
the 20th product when 0.2
is multiplied twenty times?
0.2 0.2
0.2 0.2 0.04
0.2 0.2 0.2 0.008
0.2 0.2 0.2 0.2 0.0016
0.2 0.2 0.2 0.2 0.2 0.00032
0.2 0.2 0.2 0.2 0.2 0.2 0.000064
c. Discuss how you can find
the ones place digit of the
22nd product.
77
7 7 49
7 7 7 343
7 7 7 7 2401
7 7 7 7 7 16807
7 7 7 7 7 7 117649
21. Multiplying by Decimals 47
the 20th product when 0.2
is multiplied twenty times?
0.2 0.2
0.2 0.2 0.04
0.2 0.2 0.2 0.008
0.2 0.2 0.2 0.2 0.0016
0.2 0.2 0.2 0.2 0.2 0.00032
0.2 0.2 0.2 0.2 0.2 0.2 0.000064
c. Discuss how you can find
the ones place digit of the
22nd product.
77
7 7 49
7 7 7 343
7 7 7 7 2401
7 7 7 7 7 16807
7 7 7 7 7 7 117649
21. Multiplying by Decimals 47

