Question

-18 x 2.4

Answer 1

multiply like 2 2-digit numbers then adjust for your 1 decimal place

Answer 2

type "-18 * 2.4" into your calculator

or you can type that into sites like wolfram alpha, google, etc

the * symbol is above the "8". You hit the shift key, hold that down, and then press "8"

Answer 3

I got -43.2

Answer 4

I got the same as well