74920×10^5= URGENTA PRINESC 2

Răspuns :

7920 × 10^5 =

2^4 × 3^2 × 5 × 11 × 2^5 × 5^5 =

2^4 × 2^5 × 5 × 5^5 × 3^2 × 11 =

2^9 × 5^6 × 3^2 × 11 =

2^9× 5^6 × 99
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sau

74920 × 10^5 =

74920 × 100 000 =

7 492 000 000
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