Question

(iv) 72 and 108
(v) 306 and 657
3. Check whether 6" can end with the digit 0 for any natural number n.
4. Explain why 7 x 11 x 13+13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composit
numbers.
5. How will you show that (17 x 11 x 2) + (17 x 11 x 5) is a composite numbe
Explain.
6. Which digit would occupy the units place of 6100
Now, let us use the Fundamental Theorem of Arithmetic to explore real numbers fur
st, we apply this theorem to find out when the decimal form of a rational number is termin
when it is non-terminating and repeating. Second, we use it to prove the irrationality of
nbers such as V2, V3 and V5.
:.1 RATIONAL NUMBERS AND THEIR DECIMAL EXPANSIONS
In the nrevious classes, we have discussed some properties of integers. ​

Answer 1

Answer ⤴️

$your \: answer \: number \\ 3 \: 4 \: are \: given \ \\ : in \: image \: you \: go \: \\ and \: check$

Answer no.5⤵️

$(17 \times 11 \times 2) + (17 \times 11 \times 5)$

taking 17 and 11 as common

$17 \times 11(1 \times 1 \times 2) + (1 \times 1 \times 5)$

$187(2) + (5)$

$374 + 935 \\ = 1309$

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