a) 0,5 + 0,4 b) 0,01 + 0,3 c) 0,9 - 0,3. 2. Calculate the following and then round off your answers to two decimal places: a) 32,452 + 9,543 + 0,5409 b) 98,4311 - 88,31 + 54,1034

March 22, 2026Mathematics

ScanSolve AI Answer

March 22, 2026

Step 1: Calculate $A_1$

0.5 + 0.4 = 0.9

$A_1 = 0.9$

Step 2: Calculate $B_1$

0.1 + 0.3 = 0.4

$B_1 = 0.4$

Step 3: Calculate $C_1$

0.9 - 0.3 = 0.6

$C_1 = 0.6$

Step 4: First expression in part 2

4.52 + 9.543 + 0.5609

Add first two terms:

4.52 + 9.543 = 14.063

Add the third term:

14.063 + 0.5609 = 14.6239

Round $14.6239$ to two decimal places (third decimal is $3 < 5$ , so no rounding up):

14.62

Step 5: Second expression in part 2

43.1 - 88.93 + 54.1034

First, $43.1 + 54.1034 = 97.2034$

97.2034 - 88.93 = 8.2734

Round $8.2734$ to two decimal places (third decimal is $3 < 5$ , so no rounding up):

8.27

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