jlynnduong77owlr43 jlynnduong77owlr43
  • 21-09-2017
  • Mathematics
contestada

How could i explain 5x198 using mental math and distributive property? Using words??

Respuesta :

jorel1380
jorel1380 jorel1380
  • 21-09-2017
5 x 198=(5 x 200)-(5 x 2)=1000-10=990
Since 198=200-2, you can express the equation this way, and solve it easily in your head, instead of multiplying it out.
☺☺☺☺
Answer Link

Otras preguntas

A car’s value depreciates at a rate of $ 2, 50 per year. Three years after it was purchased, the car's value was $21,000 . Which equation can be used to fin
2 bromocyclopentanamine structural formula
6. Martha walks 4 miles in 1 hour. At this rate, how long will it take her to walk 14 miles?
4x - 5y = -28-3x - 2y = 10​
lf k(x) = 5x – 6, which expression is equivalent to (k+ k)(4)?
Solve the radical equation, please? (I'm timed, please help!!)
The main workplace of a Windows computer is called the
Is 17 rational or irrational
A printing company uses the formula C = 0.5x + 10 to find the cost of printing x business cards.Which equation correctly solves the formula for x?A)x = 2C - 20
what is the diference beetwen justinia characters​