Question

Emanuel used the calculations below to find the product of the given fractions. In which step did his error occur?

Answer 1

Emanuel made his mistake in step 1

Answer 2

Emanuel made huis mistake in first step and step 1 is incorrect.

Explanation:

The given expression is

`((3)/(5))((4)/(9))(-(1)/(2))`

It can be written as

`(3)/(5))((4)/(9))((-1)/(2)`

Step 1:
`(((3)(4)(-1))/((5)(9)(2)))`

Emanuel used negative sign with both numbers 1 and 2. Therefore the first step of Emanuel is incorrect.

Step 2:
`(-12)/(90)`

Step 3:
`(-2)/(15)`

Therefore Emanuel made huis mistake in first step and step 1 is incorrect.