(5.42x10^2)—(2.1x10^-1) simplify and solve in scientific notation and please show work

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asked Jul 24, 2019 171k views

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(5.42x10^2)—(2.1x10^-1) simplify and solve in scientific notation and please show work

Mathematics
middle-school

Mike Ramsey asked

by Mike Ramsey

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542÷100×100-(21÷10)÷10

=542-0.21=541.79=5.4179×10²

Cactus Philosopher answered Jul 30, 2019

by Cactus Philosopher

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