As a product of its prime factors: 2*5*7*7 = 490
529
490 = 2 x 5 x 7 x 7
They are: 2*5*7*7 = 490
Hi
Expressed in figures, this is equal to 490,000,000.
To find 20 percent of a number, multiply the number by 0.2. In this instance, 0.2 x 490 = 98. Therefore, 20 percent of 490 is equal to 98.
2)490 5)245 7)49 7)7 = 1 When reduced to '1' Then the four numbers are 2,5,7,7. All prime numbers.
2 x 5 x 7 x 7
.490
390 + 490 = 880
1,2,5,10, 70, 490, Etc. Etc...