Question

what is to be added to 24.5 to get 91

Answer 1

Answer:

Step-by-step explanation:

91-24.5

=66.5

Therefor 66.5ust be added to get 91

Answer 2

Evaluate 2.38 x 0.2
Step 1.  Forget  the decimal points and multiply the numbers together.
              238   x  2  =  476

Step 2.  Add the total number of decimal places after the decimal point in both numbers.
              2.38          2 decimal places
              0.2            1 decimal place
              Altogether there are 3 decimal places.

Step 3.  Place the decimal point in the answer so that there are three decimal places after the
              point.

            2.38   x  0.2  =  0.476

 


 2.Evaluate 2.5  x  0.8
 Step 1.  Forget  the decimal points and multiply the numbers together. 
              25   x  8  =  200

Step 2.  Add the total number of decimal places after the decimal point in both numbers.
               2.5          1 decimal place
               0.8          1 decimal place
               Altogether there are 2 decimal  places.

Step 3.  Place the decimal point in the answer so that there are two decimal places after the
                point.
            
               2.5   x  0.8  =  2.00
                                 =   2

 


3. Evaluate  9  x  0.3682
Step 1.  Forget  the decimal points and multiply the numbers together.
              9   x  3682  =  33138

Step 2.  Add the total number of decimal places after the decimal point in both numbers.
              9                   0 decimal place
              0.3682          4 decimal places

Step 3.  Place the decimal point in the answer so that there are four decimal places after the
              point.

             9  x   0.3682  =  3.3138