amynbooow73up amynbooow73up
  • 13-09-2017
  • Mathematics
contestada

Explain how using basic fact can help find 10x20x30x40 mentally

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cmerkle8236
cmerkle8236 cmerkle8236
  • 13-09-2017
2x3x4 = 24
Add the 4 zeros to the end
240,000
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jpark3091
jpark3091 jpark3091
  • 13-09-2017
well just take the 0 and start with 1 × 2 = 2×3=6×4=240000 than add the 0 that u took out
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