Find Equivalent Forms of 13×29: Multiplication Expression Analysis

Question

Which equation is the same as the following?

13×29 13\times29

Video Solution

Solution Steps

00:05 Let's find the way to break down this problem.
00:09 We'll use the distributive law. It's really helpful!
00:13 First, let's split thirteen into ten plus three.
00:18 Next, we'll split twenty-nine into thirty minus one.
00:22 And there you have it! That's how we solve the problem.

Step-by-Step Solution

We solve each of the options and keep in mind the order of arithmetic operations: calculation of the operation within parentheses, multiplication and division (from left to right), addition and subtraction (from left to right).

a.

(10+3)×(301)=13×29 (10+3)\times(30-1)=13\times29

b.

10×3×30×1=30×30×1=900 10\times3\times30\times1=30\times30\times1=900

c.

(10×3)×30=13×30 (10\times3)\times30=13\times30

d.

10×3+29=30+29=59 10\times3+29=30+29=59

Therefore, the answer is option A.

Answer

(10+3)×(301) (10+3)\times(30-1)