.Identify the numerical coefficients of terms (other than constants) in the following expressions:

(i){tex}5 – 3{t^2}{/tex}

(ii){tex}1 + t + {t^2} + {t^3}{/tex}

(iii){tex}x + 2xy + 3y{/tex}

(iv) {tex}100m + 1000n{/tex}

(v){tex} – {p^2}{q^2} + 7pq{/tex}

(vi) {tex}1.2a + 0.8b{/tex}

(vii) {tex}3.14{r^2}{/tex}

(viii) {tex}2\left( {l + b} ight){/tex}

(ix) {tex}0.1y + 0.01{y^2}{/tex}