Question

find the prime factorisation of each of these numbers and write it using index notations
a) 45
b) 150
c) 48
d) 126
e) 120​

Answer 1

Answer:

tero bau ko Tau ko bujish

Answer 2

Answer:

1. 45

 / \

3 × 15

2.152

  / \

 2 × 75

3.48

/ \

2 × 24

4.126

/ \

2 × 63

5 .120

/ \

2 × 60

Step-by-step explanation:

1. 45 = 3 × 3 × 5...45 =3^2 × 5

2. 150 = 2 × 3 × 5 × 5.... 150 = 2 × 3 × 5^2

3. 48 = 2 × 2 × 2 × 2 × 3....48 = 2^4 × 3

4.126 = 2 × 3 × 3 × 7 ....126 = 2 × 32 × 7

5.120 = 2 × 2 × 2 × 3 × 5...120 = 23 × 3 × 5