Question

1.
9.02
17.859
+ 6.423
j.
8.1
-7.2954
k.
.17
×2.3
l. ( 5.49overline{)19.764} )
m. ( 2^6 = )

1. write the equivalent decimal.

a. ( 53% = )
b. ( 5\frac{1}{5}% = )
c. ( \frac{1}{8} = )
d. ( \frac{3}{4}% = )
e. ( 840% = )

1. find the percentages.

a. ( 81% ) of ( 3,600 )
b. ( 500% ) of ( 18 )
c. ( 2\frac{1}{4}% ) of ( 6,000 )

Explanation:

Step1: Sumar los números decimales

$9.02 + 17.859 + 6.423 = 33.302$

Step2: Restar los números decimales

$8.1 - 7.2954 = 0.8046$

Step3: Multiplicar los números decimales

$0.17 \times 2.3 = 0.391$

Step4: Dividir los números decimales

$19.764 \div 5.49 = 3.6$

Step5: Calcular la potencia

$2^6 = 2 \times 2 \times 2 \times 2 \times 2 \times 2 = 64$

Step6: Convertir porcentaje a decimal (a)

$53\% = \frac{53}{100} = 0.53$

Step7: Convertir porcentaje mixto a decimal (b)

$5\frac{1}{5}\% = 5.2\% = \frac{5.2}{100} = 0.052$

Step8: Convertir fracción a decimal (c)

$\frac{1}{8} = 1 \div 8 = 0.125$

Step9: Convertir porcentaje de fracción a decimal (d)

$\frac{3}{4}\% = 0.75\% = \frac{0.75}{100} = 0.0075$

Step10: Convertir porcentaje a decimal (e)

$840\% = \frac{840}{100} = 8.4$

Step11: Calcular porcentaje del número (3a)

$81\% \times 3600 = 0.81 \times 3600 = 2916$

Step12: Calcular porcentaje del número (3b)

$500\% \times 18 = 5 \times 18 = 90$

Step13: Calcular porcentaje del número (3c)

$2\frac{1}{4}\% \times 6000 = 2.25\% \times 6000 = 0.0225 \times 6000 = 135$

Answer:

1. 33.302

j. 0.8046
k. 0.391
l. 3.6
m. 64

1. a. 0.53

b. 0.052
c. 0.125
d. 0.0075
e. 8.4

1. a. 2916

b. 90
c. 135