robertxcoolcool robertxcoolcool
  • 09-10-2015
  • Mathematics
contestada

how are basic facts can help you find 10*20*30*40 mentally

Respuesta :

TSO
TSO TSO
  • 09-10-2015
When you do the multiplication you can notice that 10, 20, 30, 40 all have 0's at the end.

So that means 10 *20*30*40 = 1*2*3*4*10000 = 24*10000 = 240,000
Answer Link

Otras preguntas

WILL UPVOTE Select Noun Phrase if the underlined group of words is a noun phrase. Select Not a Noun Phrase if the underlined group of words is not a noun phrase
Ten over 18 equals C over 4.5 what does C equal
What is the difference between fox news website and cnn website?
Name two 2 digit factors whose product is greater than 200 but less than 600
translate the product of 19 and n into symbols
how is power divided between the federal and state government
What's -13y^2 - 7 + 10 - 2y^2
it is thought that the average person spends about 2 minutes per day sitting at red lights. if you live for 75 years, approximately how many hours would you hav
what is the conujated version of lachen
write the arabic expression for the sum of 3 coins and c coins