Answer:
Step-by-step explanation:
2/3*(-2/1)

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Ivan can make 11 toy cabins and has 12 sticks left over.
C and D
5·(2+4) is 30, because u need to add parenthesis first. 2+4 is 6
6·5 is 30.
C is 5·6 and that is 30
D is 5·2 which is 10, then 5·4 which is 20. 10+ 20 is 30.
:)
Answer:

Step-by-step explanation:

The answer is 1.7 x 10 to the power of 9
hope this helps