Question

A hummingbird nest has two eggs. Egg A has a weight of 8.8 3 1024 lb, and

Egg B has a weight of 2.2 3 1023 lb.

PART A

How many pounds greater is the weight of Egg B than Egg A? Write your answer

in scientific notation. Show your work.




PART B

Write the two weights using a different power of 10 that would still allow the

numbers to be subtracted. Show your work.


pls give answer

Answer 1

SOLUTION

GIVEN

A hummingbird nest has two eggs.

Egg A has a weight of $\sf{8.83 \times {10}^{24} \: \: lb }$

Egg B has a weight of $\sf{2.23 \times {10}^{23} \: \: lb }$

TO DETERMINE

The pounds greater is the weight of Egg A than Egg B

EVALUATION

Here it is given that

Egg A has a weight of $\sf{8.83 \times {10}^{24} \: \: lb }$

Egg B has a weight of $\sf{2.23 \times {10}^{23} \: \: lb }$

Now

$\sf{8.83 \times {10}^{24} \: \: lb }$

$\sf{ = 8.83 \times 10 \times {10}^{23} \: \: lb }$

$\sf{ = 88.3 \times {10}^{23} \: \: lb }$

Hence the required difference

$\sf{ = 88.3 \times {10}^{23} \: \: lb - 2.23 \times {10}^{23} \: \: lb}$

$\sf{ = (88.3 - 2.23) \times {10}^{23} \: \: lb }$

$\sf{ = 86.07 \times {10}^{23} \: \: lb }$

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