If 28 ⋅ 521 = 14,588, what is 2.8 × 5.21?
To find the value of 2.8 × 5.21, we can divide the equation 28 ⋅ 521 = 14,588 by 100 to get:
(28 ⋅ 521) / 100 = 14,588 / 100
(2.8 × 521) / 10 = 145.88
2.8 × 5.21 = 14.588
To find 2.8 × 5.21, we can first multiply 2.8 by 521 and then divide the result by 10, as multiplying by 0.1 is the same as dividing by 10.
Step 1: Multiply 2.8 by 521
2.8 × 521 = 1,460.8
Step 2: Divide the result by 10
1,460.8 ÷ 10 = 146.08
Therefore, 2.8 × 5.21 is equal to 146.08.