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We can write the whole number 159 in expanded form as follows: 159 = (1 x 100) + (5 x 10) + (9 x 1). Decimals can also be written in expanded form. Expanded form is a way to write numbers by showing the value of each digit.This is shown in the example below.Example 4: Write each decimal in expanded form.e can write the whole number 159 in expanded form as follows: 159 = (1 x 100) + (5 x 10) + (9 x 1). Decimals can also be written in expanded form. Expanded form is a way to write numbers by showing the value of each digit. This is shown in the example below. Example 4: Write each decimal in expanded form.
Algebra 103 Expanding brackets and factorising 1 Simplify these expressions. (a) 2âÃâ5 k (b) 3âÃâ6 b (c) 4 a Ãâ5 (d) 3 a Ãâ2 b (e) 4 c Ãâ3 d (f) x Ãâ5 y 2 Expand the brackets to find the value of these expressions. Check your answers by working out the brackets first.n Example 9 there are only terms in m and number terms. Expand the brackets on both sides of the equation and collect like terms. Collect terms in m on the RHS because 12 m on the RHS is greater than 4 m on the LHS. This keeps the m term positive.