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Tanzania [10]
3 years ago
7

Need help please.I forgot this.

Mathematics
1 answer:
Sonbull [250]3 years ago
8 0
The associative property lets you move the parentheses.

6. (-20×50)×-29 = -1000×-29 = 29,000

7. (5×10)×18 = 50×18 = 900

8. 400 + (60 + 98) = 400 +158 = 558

9. 3×(20×5) = 3×100 = 300

10. (18 + 9) +91 = 27 +91 = 118
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