Watch the following videos and complete the task that follows.

Video 1 Prime Factorisation

Video 2: Index Notation

Find the prime factors of the following, where possible express your answers in index notation

(a) 1432

(b) 131

(c) 11760

(d) -48

post your answers under comment

Dear teacher I apologize for my absence the past few days. I was ill.

ReplyDeleteANSWERS:

a) 2 to the power of 3 x 179

b) prime number

c) 2 to the power of 4 x 3 x 5 x 7 to the power of two

d) 2 to the power of 4 x -3

a) 2^3*179

ReplyDeleteb) 131

c) 2^4*7^2*5*3

d)2^4*-3

a) 2 to the power of 3 x 179

ReplyDeleteb) 131 is a prime number itself

c) 2 to the power of 4 x 3 x 5 x 7 to the power of 2

d) 2 to the power of 4 x negative 3/-3

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ReplyDelete1)2^3x179

ReplyDelete2)131 is a prime by itself

3)2^4x3x5x7x7

4)2^4x-3

1) 2 to the power of 3 x 179

ReplyDelete2)131

3)2 to the power of 4 x 3 x 5 x 7 to the power of 2

4)2 to the power of 4 x -3

a)2 to the power of 3x179

ReplyDeleteb)131 is a prime number

c)2 to the power of 4x3x5x7 to the power of 2

d)2 to the power of 4x-3

This comment has been removed by the author.

ReplyDeleteThis comment has been removed by the author.

ReplyDeletea)179*2^3

ReplyDeleteb)131^1

c)7^2*2^4*5*3

d)N/A

1)2x2x2x179

ReplyDelete2)131 is a prime number

3)2x2x2x2x3x5x7x7

4)Not applicable

A)2x2x2x179

ReplyDeleteB)131

C)2x2x2x2x3x5x7x7

D)Not applicable

1) 2^3x179

ReplyDelete2) 131 is a prime number

3) 2^4x3x5x7^2

4) no answer"

a) 2 to the power of 3 times 179

ReplyDeleteb) 131 is a prime number

c)x2 to the power of 4 x3x5x7x7

d) no answer

1)2 to the power of 3 times 179

ReplyDelete2)131 is a prime number

3)2 to the power of 4 x 3 x 5 x 7 to the power of 2

4) No Answer

1)1432/2=716 716/2=358 358/2=179, so 2 to the power of 3x179.(2^3x179)

ReplyDelete2)131 is a prime number by itself.

3)11760/2=5880 5880/2=2940 2940/2=1470 1470/2=735 735/5=147 147/3=49 49/7=7 7/1=1 So 2^4x5x3x7x1

4) No answer.

2 to the power of 3 x 179

ReplyDelete131 is a prime No.

2 to the power of 4x3x5x7 to the power of 2

No answer

2 is to the power of 3 * 179

ReplyDelete131 is a prime number by itself

2^4*3*5*7^2

Not applicable

1) 2 to the power of 3 x 179

ReplyDelete2) 131

3) 2 to the power of 4 x 3 x 7 to the power of 2

4) not applicable

(a) 2^3 x 179

ReplyDelete(b) 131 is a prime number

(c) 2^4 x 5 x 3 x 7^2

(d) There are no negative prime numbers.