Question

How to add or multiply or divide decimal numbers?

Answer 1

$that \: is \: so \:easy \: no \: eed \: t o\: fear \\ \\ 1 + 1.5 = 2.5 \\ 1means1.0 \\ add \: ones \: place \: with \: ones \: thens \: with \: tens \: and \: so \: on \: \\ 1.5 \: in \: this \: 5 \: is \: at \: tenth \: place \: so \: add \: tenth \: with \: tenth \: place \: hudredth \: to \: hudredth \: place \: and \: so \: on \: \\ \\ multiply \\ \: 2.5 \times 1.5 \: that \: \: is \: very \: easy \: just \: multiply \: 25 \times 15 \: and \: put \: te \: point \: after \: the \: countig \: the \: numbers \: after \: the \: point \: in \: the \: question \: lie \: we \: will \: get \: 375 \: but \: we \: have \: 2.5 \:and \: 1.5 \: will \: count \: 2 \: as \: in \: questiomn \: there \: are \: 2 \: ubers \: afer \: the \: point \: in \: both \: the \: numbes \: so \: tne \: answef \: will \: be \: 3.75 \\ \\ divide \\ \\ nothind \: to \: d \: just \: divide \: normally \: nd \: use \: the \: sme \: process \: of \: point \: impling \: \\ \\ hoe \: so \: ou \: undersnd$