can you please explain where they got the number 72143 for the sum of x^2

Q: (3.00*10^2)(2.0*10^5)

A: We are given the expression (3.00*10^2)(2.0*10^5). Here we need to calculate the product of the…

Q: 1-2(-5)^2+5/10*4^2

A: case 1: Consider the given expression

Q: 9+(_3)=

A:

Q: 98x- 4 813x + 6 |3D

A:

Q: 6^√415

A:

Q: The US gives military assistance to many foreign countries. The table shows a summary of military…

A: The US gives military assistance to many foreign countries. The table shows a summary of military…

Q: List all Equivalent expressions of (3^n)/(2^n)

A: The given expression is

Q: (3-5)^3+48/8

A: 3-53+488 We have to simplify it.

Q: (6.5*10^4)+8918/9.499*10^5

A: We have to simplify the following expression -  6.5×104+89189.499×105

Q: 6= .01t^2-.31t + 8.57

A: We can find answer as given below

Q: which number is equivalent to 0.000 000 1:10^7 or 10^-7? how do you know

A:

Q: possible to 2023 without exceeding it. Like the previo cal symbol and it may be beneficial to…

A: As per the question we have to check whether it is possible to write 2023 in the following format :…

Q: 8 *10^x= 100

A: Explanation and solutions is given below....

Q: (1.5 x 10^8)/(2.4 x 10^2

A: 1.5×1082.4×102=1.5×1000000002.4×100=1.5×10000002.4=15000002.4

Q: A student is buying single-serve breakfast meals for the next 10 days. The options are meat bowl,…

A: In this problem, we consider a student who is buying single-serve breakfast meals for the next 10…

Q: perform the indicated  11/x+10 - 10x/x^2-100

A: Given,

Q: d/dx∫x−1(2t^6−t)^30dt

A: