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What is 2nd power?

The exponent of a number says how many times to use the number in a multiplication. In 82 the “2” says to use 8 twice in a multiplication, so 82 = 8 × 8 = 64. In words: 82 could be called “8 to the power 2” or “8 to the second power”, or simply “8 squared”

What is 5 to the 2nd power?

2 Answers By Expert Tutors Yes, -52 = -25 if it’s written that way.

What is the power in math?

A power is the product of multiplying a number by itself. Usually, a power is represented with a base number and an exponent. The base number tells what number is being multiplied. The exponent, a small number written above and to the right of the base number, tells how many times the base number is being multiplied.

What is the power of a number?

The power (or exponent) of a number says how many times to use the number in a multiplication. It is written as a small number to the right and above the base number. In this example the little “2” says to use 8 two times in a multiplication: 82 = 8 × 8 = 64.

What is the fastest way to find the power of 2?

When multiplying 2x × 2y, remember that you simply add the exponents together. For example, 23 (8) × 27 (128) = 27 + 3 = 210 (1024). Similarly, you can break up a single power of 2 into two powers which add up to the original power, such as 29 (512) = 26 + 3 = 26 (64) × 23 (8).

How do you find 2 to the power of 15?

2 to the 15th power, or 215, is equal to 32,768. To raise a number a to the nth power, an, we multiply a by itself n times.

How do you find 2 to the power of 30?

Answer and Explanation: If you do all the multiplication, you’ll find that 2 to the 30th power equals 1,073,741,824!

What are the powers of 30?

Positive powers

Name Power Number
sextillion (trilliard) 21 1,000,000,000,000,000,000,000
septillion (quadrillion) 24 1,000,000,000,000,000,000,000,000
octillion (quadrilliard) 27 1,000,000,000,000,000,000,000,000,000
nonillion (quintillion) 30 1,000,000,000,000,000,000,000,000,000,000