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Sagot :

ANASAG

2500 + 56 + 1

= 2557

= 2,557 × 10³

256,23 × 10³

= 256230

= 2,5623 × 10⁵

980 - 0,72 × 10³

= 980 - 720 = 260

= 2,6 × 10²

12/30 × 10⁵/10²

= 12/30 × 10⁵`²

= 12/30 × 10³

= 12/30 × 1000

= 400

= 4 × 10²

8×10³/25×10⁷

= 8/25×10⁴

= 8/25 × 10000

= 1/25×1250

= 31250

= 3,125 × 10⁴

8×32×10⁵/5×10⁷

= 8×32/5×10²

= 8×32 / 5×100

= 2×32 / 5×25

= 64/125

= 0,512

= 5,12 × 10`¹

13×10³×10² / 100 × 10⁴

= 13×10³×10² / 10² × 10⁴

= 13×10² / 10²×10

= 13/10 = 1,3

= 1,3

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