Question

estimate the following to the nearest tens

Answer 1

Hello dear

Here is your answer _________

1) i. 60+30=90
ii. 540+280 = 820
iv. 100 - 40 = 60
v. 410 - 150= 260
vii. 40 × 60 = 2400
viii. 480 × 360 = 172800

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