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in Mathematics by (35.7k points)

Using divisibility test, determine which of the following numbers are divisibly by 4; by 8:

(a) 572 

(b) 726352 

(c) 5500 

(d) 6000

(e) 12159 

(f) 14560 

(g) 21084 

(h) 31795072

(i) 1700 

(j) 2150

1 Answer

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(a) 572 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(b) 726352 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(c) 5500 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(d) 6000 --> Divisible by 4 as its last two digits are 0.

Divisible by 8 as its last three digits are 0.

(e) 12159 --> Not divisible by 4 and 8 as it is an odd number.

(f) 14560 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(g) 21084 --> Divisible by 4 as its last two digits are divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

(h) 31795072 --> Divisible by 4 as its last two digits are divisible by 4.

Divisible by 8 as its last three digits are divisible by 8.

(i) 1700 --> Divisible by 4 as its last two digits are 0.

Not divisible by 8 as its last three digits are not divisible by 8.

(j) 5500 --> Not divisible by 4 as its last two digits are not divisible by 4.

Not divisible by 8 as its last three digits are not divisible by 8.

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