\fdO'^ - Old Forge Coal Mines

64 ARITHMETIC.
(^) .4044* = .4044 X .4044 X .4044 = .066135317184 Ans.
AQAA Since there are 4 decimal
.Q^. places in the multiplicand and
4 in the multiplier, there are
1617b 4 + 4 = 8 decimal places in the
^ ^ 1 ''' ^
16 17 6
first product.
Since there are 8 decimal
.10353936 places in the second multipli-
.4 44 cand and 4 in the multiplier,
6541 5744 there are 8 -f 4 = 12 decimal
65415744 places in the final product ; but,
654157440
.066135317184
^^ there are only 11 figfures in
the product, we prefix 1 cipher
^^ make 12 decimal places.
(123) 2' = 2X2X2X2X2 = 32. Ans.
(124) 3* = 3X 3X 3X 3 = 81. Ans.
(125) («) 67. 85* = 67.85 X 67.85 = 4,603.6225. Ans.
6 7.8 5
^'•^^ Since there are 2 decimal
3 3 9 2 5 places in the multiplier and 2
5 42 80 in the multiplicand, there are
47495 2 + 2 = 4 decimal places in the
40 710 product.
46 3.6 22 5 Ans.
{6) 967,845' = 967,845 X 967,845 = 936,723,944,025. Ans
967845
967845
4839225
3871380
7742760
6774915
5807070
8710605
936723944025