To write -45 as a decimal, you simply write "-45.0" or "-45.00" to indicate the number includes a whole number and decimal point. The decimal form of -45 represents the same value as the integer -45, but with a decimal point to show its position on the number line. The negative sign indicates that the number is less than zero.
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0.45.45
4.5
read the decimal as you are supposed to Don't read 0.45 as point 45 read as 45 hundredths this tells you what fraction to write, 45 / 100 and then reduce it to lowest terms, 9 / 20
We know that 2.45 is the decimal equivalent of 2 and 45 hundredths.
The 'and' implies a decimal point, so this could be written as1 + 45/100001 + .00451.0045