alex4538
alex4538 alex4538
  • 20-12-2016
  • Mathematics
contestada

find each product mentally. 7 times 3.8

Respuesta :

Nizux
Nizux Nizux
  • 20-12-2016
to do it mentally means to do it in your head

first do 7 * 3 = 21 in your head

than do 7 * 0.8 = 5.6 ( this might be hard to do in your head but you know 7*8 = 56 so add a decimal since it is 0.8 not 8 )

Add : 21 + 5.6 = 26.6

Final Answer : 26.6


Answer Link

Otras preguntas

what activitiy contributed to the spread of the black death
is 6 a prime number or a composite number?
How do you say i want you to be mine only
how did nationalism contribute to the rise of imperialism
What word can u make with the letters rrbye
When you cut yourself how does your body heal the wound
why do you think only one-third of senators are up for election every two years?
The amount of money you earn varies directly with the number of hours you work. You work for 8 h and earn $98. How many hours do you need to work to earn $441?
need your guys help about this...
Apples and bananas 20 pieces of fruit and spent$11.50 apples cost 50 cent bananas 75 cent write two equations 1 will represent number of pieces of fruit and nex