Question

please answer the question friends
1 ; 405 in generalised from.
2; write 7×100+0×10+8×1 in the usual from.
3; check weather 18742 is divisible by 4.
4; write the divisibility rule for 2.
5; check whether 5555555 is divisible by 3 and 9.
6; check whether 18568 is divisibility by 11
7; check whether 123456 is divisible by 4 and 5
8;a+3, a-4, a+1
a-2, a , a+2
a-1 , a+4 , a-3
construct a magic square using a=1
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Answer 1

Answer:

i dont know

Step-by-step explanation:

dahil wala akong alam basta ayon na yon

Answer 2

Answer:

1. 4*100+0*10+5*1

2. 708

3. not it is not completely divisible coz remainder is there.

4. Any no. which has even no. i.e 2,4,6,8 or 0 at its unit or once place will be divisible with 2.

5.no it is not divisible both by 3 and 9.

6. yes it is...

7. it is divisible by 4 but not by 5.