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3 years ago

Which is equivalent to 2^3·2^-5? A) 2-15 B) 2-8 C) 2-2 D) 22

Mathematics

2 answers:

Crank3 years ago

7 0

It should be 2^-2. When multiplying numbers with exponents that have the same base number, just add the exponents.<span />

IceJOKER [234]3 years ago

6 0

I hope this helps you

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4. Which operation should be completed first in the expression below? Use PEMDAS to evaluate. 24 ÷ (12 – 8) x 6 + 3 a. Add b. Su

irinina [24]

Answer:

Option b - Subtract

Step-by-step explanation:

Given : Expression $24\div(12-8)\times 6+3$

To find : Which operation should be completed first in the expression below?

Solution :

P - Parentheses

E - Exponent

D - Divide

M - Multiplication

A - Addition

S - Subtraction

In the first step we solve the bracket in the expression $24\div(12-8)\times 6+3$

So, we do subtraction i.e. 12-8=4

Therefore, option b is correct.

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3 years ago

If the ratio of a circle's sector to its total area is 3/8, what is the measure of its sector's arc?

mars1129 [50]

Imagine the area is 360 degrees, or $2\pi$ radians.

You would multiply it by (3/8) to get your answer.

6 0

3 years ago

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A gardener planted some seedlings at equal distances apart along a straight road. The 3rd seedling and the 5th seedling were 9/1

ratelena [41]

Answer:

Answer:

17 seedlings

Step-by-step explanation:

Given;

The seedlings are at an equal distance in a straight line.

Distance between 3rd seedling and 5th seedling = 9/10 m

So, distance between 3rd seedling and 4th seedling = 9/10 ÷ 2 = 9/20 m

So, the distance between two seedlings in a line = 9/20 m

The given distance between 2nd seedling and the last seedling = 6 3/4 m = 27/4 m

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2 years ago

A florist has to pay $7.50 each time a customer chooses a competitor for the delivery of flowers. Which expression shows the amo

Veronika [31]

Answer: $320 - $7.50p

Step-by-step explanation:

Based on the information given in the question, the expression that shows the amount that the florist earns if p people use a competitor for delivery, and the company makes $320.00 before any payment is made to their competitors will be:

= $320 - $7.50p

where,

$320 = revenue made before any payment

$7.50 = amount paid for a customer choosing a competitor

p = number of customers

6 0

2 years ago

Read 2 more answers

What is the half of 14.5

Aleks04 [339]

Answer:

7.25

Explanation:

14.5×½=7.25

3 0

3 years ago

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