1.

Find the value of 3^45 ×3^25–3^28×3^42

Answer»

Step-by-step EXPLANATION:

Exponents and POWERS:a^b, a=base,b=power

From your PROBLEM BASES are equal that is '3' but powers vary.

Note:

If it is in multiplication= Add powers

If it is in division=Subtract powers

3^(45+25)-3^(28+42)

3^70-3^70

=0



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