round each decimal to the nearest tenth.then estimate.(1) 0.47 + 25.51, (2) 9.95 - 1.46, (3) 2.89 pounds × 4
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First simplify the number part, 14/2 = 7/1
then the x part,
y doesn't need to be simplified
then simplify the z part, z^-6 = z^6
put it all together...
then the x part,
y doesn't need to be simplified
then simplify the z part, z^-6 = z^6
put it all together...