Question

1) Write 84 as a product of its prime factors.


2)Write these in order of size, smallest first.

a.)0.63 b.)0.22


3. Find the highest common factor (HCF) and LCM of 84 and 105.
with working please​

Answer 1

Answer:

(1) 84=2×2×3×7 (2) 0.22 , 0.63 (3) HCF =21 LCM =;420