Friday

February 27, 2015

February 27, 2015

Posted by **marko** on Monday, September 10, 2012 at 6:40pm.

can you pls check if this correct?

a) 19(-6) i got: -114

or do i do like this:

10*(-6)=-60

9*(-6) =-54

-60 + -54= -114

b) 102* $21 i got: $2142

or do i do mental math like this:

100*21 = 2100

2 * 21 = 42

2100 + 42 = $2142

c) 26*97 i got: 2522

or do i do mental math like this:

20 * 97 = 1940

6* 97 = 582

1940 + 582 = 2522

d) 9 * $4.98 i got: $44.82

or do i do mental math like this:

9 * $4.00 = $36.00

9*.98 = 8.82

36.00 + 8.82 = $44.82

**Answer this Question**

**Related Questions**

math help - i need to use mental math and the distributive property to simplify...

Math - okay so i feel like a dummie for not knowing this but i need the answer ...

math - use mental math and the distributive property to simplify 25(-99)and ...

math - Which property would allow you to use mental computation to simplify the ...

algebra mental math distributive property - find each product mentally using ...

^th grade math, - using mental math and distributive property solve: 25(12)

math - find the product using mental math and the distributive property for 7(15...

Distributive property - How would I multiply these expression? 6(h-4) -3(x+8) -...

math - Write an algebraic expression that requires each of the following ...

Math-Distributive Property - Use the distributive property to simplify: 3(m-1)-(...