sunshinycoast10 sunshinycoast10

21-07-2020
Mathematics

contestada

how many 4-digit numbers can be formed using only the digits 9, 8 and 7? :p

Respuesta :

tramserran tramserran

21-07-2020

Answer: 81

Step-by-step explanation:

First digit and Second digit and Third digit and Fourth digit

3 choices x 3 choices x 3 choices x 3 choices = 81

Answer Link

Otras preguntas

write directions in Spanish from your home to someplace nearby, such as your school, a beach, an amusement park, a zoo, or any other spot that you frequent. Use

How do you do this problem?

How many 4-digit numbers exist?

Question 18 Unsaved If you are studying the effects of UV rays on eyesight and you group 10 people together and make them wear sunglasses for 10 weeks and see

In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. if the population is in genetic equilibrium for this allele, what

find the absolute value of lk-8l=8 PLS ANSWER BEFORE 6:00 TODAY TY

Write an equation and solve. Round to the nearest hundredth where necessary. 58 is 100% of what number?

What action made China reluctant to improve relations with the United States ?

For a hypothesis comparing two population means, h0: μ1 ≤ μ2, what is the critical value for a one-tailed hypothesis test, using a 5% significance level, with b

How was the US economy changing in the late 1940s? a)Most industries were shifting away from wartime production. b)The economy was beginning to focus on the def