izukianime izukianime
  • 01-11-2018
  • Mathematics
contestada

Simplify using the Distributive Property. 9 × 81

Respuesta :

monaibrahim1590
monaibrahim1590 monaibrahim1590
  • 01-11-2018

the distributive property:

9(80+1)

to check the answer:

9 x 81 is 729

80 x 9 is 720

9 x 1 is 9

720+9=729

so the answer is right

the distributive property:

9(80+1)


Answer Link
gmany
gmany gmany
  • 01-11-2018

The distributive property: a(b + c) = ab + ac

9 × 81 = 9 × (80 + 1) = (9)(80) + (9)(1) = 720 + 9 = 729

Answer: 9 × 81 = 729

Answer Link

Otras preguntas

Robert wants to know which fertilizer will work the best for his grass. What can he do to explore this inquiry?
Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.
if the public debt of a country in 2009 was $10432000000000 and the budget for 2010 was in deficit by $201645000000, what was the public debt in 2010? Do not in
If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18
What did Europeans build much of during the eleventh and twelfth centuries??
An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. Which store sells at a better rate
write an algebraic expression for the word expression the quotient of c and 8
The dolphins at the Webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the se
Hellllllllllllppppppppp
Which is not a standard weather variable? a. air pressure b. moon phase c. temperature d. wind speed