# Math

posted by .

Which expression represents the larger number?

A. 40.1 x 10 to the -6 power
B. 4.1 x 10 to the -7 power
C. 0.411 x 10 to the -6 power
D. 0.04001 x 10 to the -5 power

I got A, but I'm not quite sure if it's the right answer :/

• Math -

A --- 40.1 x 10^-6 = 4.01 x 10^-5
B ---------------- 4.1 x 10^-7
C ------ .411 x 10^-6 = 4.11 x 10^-7
D .04001 x 10^-5 = 4.001 x 10^-7

The largest number is the one with the largest exponent
since -5 > either -6 or -7
your choice of A is correct

• Math -

Yeah that's what I thought. But I wasn't sure which was greater, the larger exponent or the smaller one. It's kinda confusing when your dealing with decimals and negative exponents. But thankss :)

## Similar Questions

1. ### math

Which is equivalent to the expression (a squared + a to the fourth power) to the 0 power?
2. ### Math/Standard and scientific notation

Express each measure in standard form. (One more thing by the way you need this few prefixes) Tera= 10 to the 12th power Giga= 10 to the 9th power Mega= 10 to the 6th power Kilo= 10 to the 3rd power Pico= 10 to the -12th power Nano= …
3. ### physics

The disk shaped head of a pin is 1.0 mm in diameter. Which of the following is the best estimate of the number of atoms in the layer of atoms on the top of the surface of the pinhead?
4. ### math

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
5. ### math

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
6. ### mathematics

[{(3 to power 5by2*5 to power 3by4)/2to power -5by4}/{16/5 to power 1by4*3 to power 1by2)}]to power 1by5
7. ### math help pls pls pls

Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4th power. A. a to the 6th power over b to the 7th power B. b^12 C. a^8b^15 D. the quantity a to the 8th …
8. ### Math

Which of the following is equivalent to the expression 8 to the -5 power times 8 to the second power A) 1/8 to the 7 power B) 1/8 to the 3 power C) 8 to the 3 power D) 8 to the 7 power I was in between b and c but im pretty sure its …
9. ### Math

According to the Pythagorean theorem, which of the following statements below is true for the triangle in the diagram?
10. ### Math

Hey, I just need my answer checked. Simplify: y to the 4th power times y to the 3rd power y to the 1st power y to the 7th power ** y to the 12th power y to the 43rd power correct?

More Similar Questions