It is 7 cents, exactly as in the question. A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point.
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Seventy thousandths would be 70/1000 or 7/100. In decimal form, that would be 0.070.
To write five and seven hundredths as a decimal, you first write the whole number 5, followed by a decimal point. Then, you add the fractional part as a decimal, which in this case is 0.07 (7 hundredths). Therefore, five and seven hundredths can be written as 5.07 in decimal form.
When you write the decimal number '7' in Base-2 (binary), you write '0111'.
0.247
7/15 in decimal form = 0.4666...7/15:= 7 ÷ 15= 0.4666... in decimal