How to do you Put in scientific notation (400)*(3000)

Question

Solve a^m*a^g

please help I do not understand!!!:(

Answer 1

The second:

a^m * a^g= a^(m+g)
exponents add when multiplying.

The first
4*10^2 * 3*10^3=12*10^5= 1.2 * 10^6

Answer 2

Thank you soooo much

Answer 3

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