Severity: Warning

Message: count(): Parameter must be an array or an object that implements Countable

Filename: controllers/calculator.php

Line Number: 37

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decimal number 0.49 is rounded to 0.50. Because here the tenths place is 4. The number after tenths place is 9 (which is > 5).

So round up, add 1 to 4 which becomes 5. Hence the answer is 0.50.

(a) 12.456 (b) 468.83

(a)12.456

Step 1: Tenths place value is 4

Step 2: Observe the next digit 5 (this is equal to 5). So round up the tenths place.

Step 3: Add 1 to 4 which equals to 5

12.456 When rounded to nearest tenths place = 12.5

(b) 468.89

Step 1: Tenths place value is 8

Step 2: Observe the next digit 3 (which is less than 5). So round down to the tenths place.

Step 3: So 8 remains the same.

468.89 When rounded to nearest tenths place = 468.8

much money did Isbella spent in her shopping? Round of to nearest tenths place.

Cost of a dress = $46.15

When rounded off to nearest tenths place, it equals to $46.2

Cost of shoes = $ 15.60

When rounded off to nearest tenths place, it equals to $15.6

Cost of cosmetics = $ 20.18

When rounded off to nearest tenths place, it equals to $ 20.2

Total money spent = 46.2 + 15.6 + 20.2

= 82.0