lovelyone lovelyone
  • 21-09-2014
  • Mathematics
contestada

record the product. use expanded form to help.

4x21=

Respuesta :

scc128
scc128 scc128
  • 21-09-2014
8.4 * 10^1 is what I think the answer is 
Answer Link
StanleyTB
StanleyTB StanleyTB
  • 21-09-2014
to use it in expanded form
(4×20)+(4×1)=84
Answer Link

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