2. Calculate: For each object, substitute the values you know into the gravitational potential energy equation to solve for weight. Record each object's weight in the fourth (science)

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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob

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Explanation:

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer