Answer:
i believe the answer will be 23
Answer:

Step-by-step explanation:
i think this is right..lol
hope it helps :)
have a nice day!!
Answer: 3
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Step-by-step explanation: because of the decimal you have to place a zero regardless and the other 2 zeros you can’t do anything with them. Hope this helps!
Answer: 12 cm
Step-by-step explanation:
The masses of the spheres are proportional to their volums, and the cube of the ratio is k^3=135/5=27 ==> k=3
The greater radius is 3*4=12 (cm)