04-10-2016
Mathematics

contestada

explain using the basic fact can help you find 10×20×30×40 mentally

Respuesta :

ninjawakekia ninjawakekia

04-10-2016

Multiply 20 by 10 first
Then 200 by 30 which is 6000
Then 6000 by 40 which is 240000

Basically just multiply the numbers that's aren't 0
Like 2 in 200 times 3 in 30
Which is 6 then add the 0s so 6+000=6000

Answer Link

Otras preguntas

i have the same hundreds digits as ones digit the value of my tens digits is 50bthe value of my ones digits is 4.... the number is ?

What is the best statement of the theme of “How Much Land Does a Man Need?” by Leo Tolstoy? a. You win some you lose some b. Becoming greedy, and reaching for t

Which word in the sentence does the adverb modify? I would feel almost happy about a shorter vacation. a. feel b. vacation c. would d. happy

what is 1/3 divided by 2/7 equal to

A tile factory earns money by a flat fee for delivery and sales price per tile sold. For one customer the tile factory shipped 10,000 units of retail stores at

What does Vitamin D do for the body? A. It transports oxygen to the muscles. B. It converts glucose into energy. C. It controls the way your body uses calcium.

Identify the correct sentence. a. The girls who works at the coffee shop are always friendly. b. The girl who works at the coffee shop are always friendly. c. T

A satrellite moves at a speed of 27,000 kilometers per hour. Write four numbers that could be the actual speed of the satellite?

Constructing a dam on a river demonstrates which theme of geography? A. place B. region C. location D. human-environment interaction

if y=7.5 when x=0.5, find y when x=-0.3

Q&A Education