Answer:
21.2 yd
Step-by-step explanation:
8 + 6 + 7.2 = 14 + 7.2 = 21.2
Simplification of the given expression.

Divide the terms with the same base by subtracting their exponents.

Subtract the numbers

Any expression raised to the power of 1 equals itself.

Now, reduce the fraction with b.
32.0 would be your answer
Jackie bought 51000 grams of rice. Because there are 1000 grams in a kilogram so, 51 x 1000 is 51000.