Question

1.
Express the following in standard form.
i) 144
ii) 1296
Find the number , sum and product of divisors of the following numbers,
i) 26
ii) 3600
2.
3.
Show that 220 and 284 are amicable numbers.
4.
Find the number of odd and even divisors of i) 18
ii) 600
5.
Verify whether the following pairs are co-primes or not.
i) (7, 14)
ii) (8, 18)​

Answer 1

Answer:

Question no 1.(i) 144 solution : 1.44 * 10²

Step-by-step explanation:

144×100/100

144/100×10²

1.44×10²

1.44× 10²