Mathematics, 19.11.2020 19:00 Aestheticblue

Part A Which equation shows the best way to use compatible numbers to estimate 550 - 6?
500 + 4 = 125
540 = 6 = 90
600 -5 = 120
490 - 7 = 70
00:00
Part B
Divide. Enter your answers in the boxes.
550 - 6 =
IR
I

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Part A Which equation shows the best way to use compatible numbers to estimate 550 - 6?
500 +...