A rubber balloon has a mass of 10 grams. The balloon is filled with air and forms a shape that may be approximated as a sphere with a diameter of 1.5 ft. What is the total mass the balloon? What would be the total mass of the balloon, if it is filled with helium instead? Express your answers in grams.

What will be an ideal response?


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Seedless vascular plants reproduce from ________ rather than seeds.

Fill in the blank(s) with the appropriate word(s).

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There are two types of ____ lines- long and short. Both show that part of an object has been removed.

A. extension B. section C. break D. phantom

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The type of permit that must be issued before a permit-required confined space can be accessed is called a(n)

_____. a. hot work permit b. entry permit c. excavation permit d. manhole permit

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Which of these features is not found on a 74165 8-bit PISO shift register?

A) parallel input B) parallel output C) serial output D) serial input

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