Looking Forward, Looking Back, Simplify.
a). (10x3)(5x2)b). (10x3)2c).10x3/5x2
Simplify each expression using exponent rules. Write each answer in scientific notation.
a). (3x104)(6x106)(2x108)b). (1x1011)(7x105)2/7x104
Answer true or false for each statement.
a). If a number in scientific notation has a negative exponent, then the number is negative.b). A number that is at least 1 but less than 10 cannot be written in scientific notation.c). A negative...
more
Follows
•
1
Expert Answers
•2
![]()
03/24/22
Kelsey had 3 times the number of quarters (25 cents) in her bag than dimes (10 cents).
a. If she had a total of 68 coins, how many of them were quarters?b. What was the total dollar value of these coins?
03/24/22
In the formula N=L(1−d), find:
a. 'N', when L=$170.00, d=0.15b. 'L', when N=$210.00, d=0.3c. 'd', when L=$970.00, N=$230.00
03/24/22
Evaluate the following expressions given x=6 and y=2
Evaluate the following expressions given x=6 and y=2 Evaluate the following expressions given x=6 and y=2 a. 25x - 3y ----------------- 6b. x2 + 5x + 6 =c. (4x)4 x 6y ----------------- ...
more
Write an equation of the line that is parallel to 4x−10y=−90 and passes through point (27.5,−5).
Follows
•
1
Expert Answers
•2
![]()
A rectangular playing field is yards long. Its area is square yards. Find the width of the field
What is the width? Sq yards, Yards, or Cubic yards?
03/24/22
plz help me on my homework
The time it takes to complete a go-cart course is inversely proportional to the average speed of the go-cart. One rider has an average speed of 73.3 feet per second and completes the course in 30...
more
03/24/22
Equation of the circle
A Ferris wheel has a radius of 31.3 feet. The center of the Ferris wheel is 37.4 feet above the platform from which riders board, as demonstrated in the following sketch. Assuming that the x-axis...
more
The point left (2.5,4.5) reflected in the x-axis is?
graph it. And please tell me the answer ASAP.
03/24/22
Emily had 3 times the number of quarters (25 cents) in his bag than dimes (10 cents).
a. If he had a total of 76 coins, how many of them were quarters?b. What was the total dollar value of these coins?
03/23/22
Determine the value for A and B
Determine the value for A and B such that A / x+1 + B / 3x+2 simplifies to 2x-1 / (x+1)(3x+2)
03/23/22
Find cos0 if tan0 = 5 and sin0 < 0
Find cos0 if tan0 = 5 and sin0 < 0
Follows
•
1
Expert Answers
•2
![]()
03/23/22
Statistical Math
NBA Player Stephen Curry has a better free throw percentage than the average forall NBA players. Based on his free throw percentage of 90.7%, the following bar graph displays the possible values of...
more
03/23/22
(4,1),(8,2) slope-intercept form
03/23/22
math homework help
The equation $A=25w$A=25w represents the area $A$A (in square feet) of a rectangular dance floor with a width of $w$w feet.The independent variable is HELP HERE.The dependent variable is HELP...
more
03/23/22
Need help with proportionality and inverse proportionality
7 workers can do the job in 20 days. After 4 days of work, there was a need to complete the work in 18 days (So they have 14 more days left). How many more workers need to be hired?Can you please...
more
03/23/22
I need help with math
Laura will donate up to $460 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Laura would like the amount donated to the...
more
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.