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(II) Add $$ \left(9.2 \times 10^{3} s\right)+\left(8.3 \times 10^{4} s\right)+\left(0.008 \times 10^{6} s\right) $$

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Physics 101 Mechanics

Chapter 1

Introduction, Measurement, Estimating

Physics Basics

Cornell University

University of Michigan - Ann Arbor

Simon Fraser University

Lectures

04:16

In mathematics, a proof is a sequence of statements given to explain how a conclusion is derived from premises known or assumed to be true. The proof attempts to demonstrate that the conclusion is a logical consequence of the premises, and is one of the most important goals of mathematics.

09:56

In mathematics, algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis. In its most general form, algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics.

0:00

(II) Add (9.2 $\times$ 10$…

01:08

Add $\left(9.2 \times 10^{…

02:41

$$(8+2)^{2}-5\left[9 \time…

so here. In order to add with significant figures, we have to adjust all the values so that their exponents are all the same. So we can say that 9.2 times, 10 to the third seconds, plus 8.3 times 10 to the fourth seconds plus point 008 times 10 to the sixth seconds. This is going to equal. We can say 9.2 times 10 to the third seconds. And then it'll be 8 83 times 10 to the third seconds. Uh, plus eight times 10 to the third seconds. And this is giving us 100 0.2 times 10 to the third seconds. And then we have to move these decimal place over and then round. So the final answer will be 1.3 Signify, Yeah, three significant figures times 10 to the fifth seconds, and this will be our final answer. That is the end of the solution. Thank you for watching

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