lilmary32000 lilmary32000
  • 23-10-2019
  • Mathematics
contestada

Estimate the product of 3.9 and 4.6 using mental math

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nataliejshu
nataliejshu nataliejshu
  • 23-10-2019

8.5 is the answer to ur problem

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vzhang607
vzhang607 vzhang607
  • 23-10-2019

Answer:

round 3.9 to 4 and 4.6 to 4.5 then you get lets see ... 0......18.... 5*4 is 20 then add 2 on to 4*4 is 18 then you get 180 but add the decimal point and you get 18

Step-by-step explanation:

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