Write a number sentence to add 6 tens 21

6 tens to 21 = 81

Step-by-step explanation:

Given

6 tens

21

To write a number sentence to represent the description in the question, follow these steps;

So,

6 tens = 6 * 10

6 tens = 60

60 + 21

This gives a result of 81.

So, Addition of 6 tens to 21 is equal to 81

the answer is the third / last answer

step-by-step explanation:

option: d is the correct answer.

d) none of the above.

step-by-step explanation:

clearly from the figure attached to the question we could see that there is no shape given. hence without any shape given in the figure and after rotation we can't obtained a square pyramid.

since, to obtain a image we need a proper figure of the pre-image so that it can be transformed.

hence, the correct answer is:

d) none of the above.

step-by-step explanation: