Question

(h) To make 1357 divisible by 3, the smallest number that needs to be ad
(i) Among 23, 56, 17 and 128, the prime numbers are
and
and
and
(1) Among 22, 37, 41 and 81, the composite numbers are
(b) 86 x 57
(c) 293 x 25
(d) 407 x 38
5. Multiply: (a) 45 x 14
(b) 866 +34
(c) 8217 - 27
(d) 2304 +51
6. Divide: (a) 480 = 15
(b) 810-90 x 12 -
7. Simplify: (a) 145 x 3 - 14 x 5 - 12 x 8 + 7 x 150
(b) 6 and 4
8. Write the first two common multiples of: (a) 2 and 9
9. Test 87, 49, 258, 1 035 and 26 130 for divisibility by 2,3,5 and 10.
10. (a) Find the greatest 5-digit number that is divisible by 5.
(b) Find all the numbers between 421 and 433 that are divisible by b
(b) 525
11. Find the prime factors by repeated division: (a) 54
How many planes​

Answer 1

Answer:

hope it will help you

Step-by-step explanation:

so the answer is that I don't know the answer

Answer 2

Step-by-step explanation:

check divisibility test for 9 for the number 1357128