Without actual division, show that 19 is a factor of 19038.
We have 19038
19038=19000+38=19(10000+2)=19×10002
Thus 19 is a factor of 19038.
Without actual division, show that each of the following rational numbers is a nonterminating repeating decimal.
(i) 11(23×3) (ii) 73(22×33×5) (iii) 129(22×53×72) (iv) 935(v) 77210 (vi) 32147 (vii) 29343 (viii) 64455
Without actual division, show that each of the following rational numbers is a terminating decimal. Express each in decimal form:
(vi) 193125