10 divided by 10 to the negative 3=? many are going to get this WRONG!
180K views · Mar 7, 2024 · Education
Comments · 348
@johnpellegrino2538 · 6 months ago
I’m 84 and over years of formal education in math, algebra, calculus, trigonometry, statistics and physics , I enjoy these sessions as brain teasers and revisiting my youth.
19
@Og-Judy · 2 years ago
How many watching this are actually just old folks been out if school for 50 yrs?
193
@tedfunky · 6 months ago
I'n 70 now, got an O-level in maths, but have forgotten so much since, so a video like this really helps to keep my brain active.
12
@cathyp6788 · 10 months ago
Wish you were my Algebra teacher in High School! Awesome lessons.
7
@Thelarrs110 · 2 years ago
Excellent class as it always seems to knock me back when I see negative exponents, but now I know the rules...... practise rules too, so....
11
@bakerbakerfield7348 · 5 months ago
Piece of cake. Did it in my head in 5 seconds. How on earth do you need a 20 minute video!!
4
@moosewild4239 · 1 year ago
My college algebra teacher had a excellent way to remember the property for dealing with exponent like you did in the second solve. Think of a negative exponent as a crying baby. The baby wants to be moved. If on the first floor you move to the basement and exponent becomes positive(baby stops crying). If in the basement you move to the the first floor and exponent becomes positive(baby stops crying). It has been many years and I have never forgotten this lesson.
6
@alessioandreoli2145 · 2 years ago
10^4
4
@Hi-rw8vr · 2 years ago
When dividing, subtract the powers. 10 is also 10^1.<br>1-(-3)=4<br>10^4=10,000
21
@Ayelmar · 2 years ago (edited)
At the title card (0.02), my answer is d) 10000.<br>10^0 would be 1, and each step of the negative exponent moves the decimal a space to the left, so 10^-3 is 0.001.<br>Then, when we divide isomg that result as the divisor, we take the dividend, 10 and move the decimal three steps to the right, giving us 10000.
12
@robertwoolley8632 · 2 years ago
A useful reminder about negative exponent rules, although the explanation was a bit drawn-out
6
@EricWells-s2p · 1 year ago
10^1 × 10^3 = 10^4 = 10,000
3
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