Svp c pr ce matin, j’arrive pas à faire le 3.... Pergunta de ideia demscb

December 2020 1 45 Report

Svp c pr ce matin, j’arrive pas à faire le 3

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ines1102 25x2^2x10^3x10^(2x2)
= 25 x 2 x 10^(3+4)
= 50x10^7 = 5,0x10^8

0,0024x10^6x1,25x10^-5
= 0,0024x1,25x10^(6-5)
=0,0024x1,25x10
=2,4x10^-3x1,25x10
=2,4x1,25x10^-2
=3,0x10^-2

4x10^-3x5x10^2
=4x5x10^(-3+2)
=20x10^-1
=2,0x10^0

(6x10^6)/(3x10^3)
=6/3 x 10^6/10^3
2x10^2

37/10^6
=3,7x10/10^6
=3,7x10x10^-6
=3,7x10^-5

0 votes Thanks 1

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