Question

solve this problem by factorisation method​

Answer 1

Answer:

4.8

Step-by-step explanation:

3^5×10^3×25^2/15^4×20^4

=3^5×10^3×(5×5)^2/(3×5)^4×(10×2)^4

=3^5×10^3×5^4/3^4×5^4×10^4×2^4

=3^5-4×10^3-4×5^4-4×2^4

=3×10^-1×16

=4.8