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

How did the enlightenment start?
from 3. Error Analysis A student claims the sequence 0,1,3, 6, ... is an arithmetic sequence, and the next number is 10. What error did the student make?
Which of the following is the equation of a line in slope-intercept form for a line with slope = and y-intercept at (0, -4)? O A. y=-x-4 OB. x=y-4 O C. y=x+4 OD
Lic 4.23 The area of rectangle ABCD shown at left below is 36 and DE = 2EC. (a) What is [BCD]? (b) What is [BED]?
solve for x. also write the equation needed please
How did the Silk Road under emperor Wudis control impact Chinese values?
Explain the quote from the top of this worksheet, page 107. What does this mean and what is Briony thinking?
Find the measure of each numbered angle. (Lesson 4-2) m ∠ 6
Find the inequality represented by the graph.
Find A u B. (Use the roster method to write the set.) A = {1, 0, 1}, B = {0, 1, 7}