I posted 3 times already please help me. At least try it. 15 points Photo above
2 answers:
You might be interested in
Let us determine the product of 438 and 17 by partial products.
Consider
and
So,
=
= 7446
Therefore, the product of 438 and 17 is 7446.
No, Sandra's answer is not correct.
Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.
D = r• t
reverses the equation so that D and r are on the same side
d/r = t
Sam travels 4 hours at a rate of 50 mph
reverses the equation so that D and r are on the same side
d/r = t
Sam travels 4 hours at a rate of 50 mph