Answer:
Step-by-step explanation:
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❖ The 3 remains the same when 9,321 is rounded because if you look to the right of the number in the hundreds place, you see 2. 5 and above, give it a shove (round up). 4 and below, leave it alone (round down). Since 2 is below 5, we leave it alone. So 9,321 is rounded to 9,300.
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2z +7 = -5
2z = -5 -7
2z = -12
z= -12 /2
z= -6
