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Write the following using index notation:
a) 4×4
b) 5x5x5x5
c) 3 × 7 × 7 × 7 × 7
d) 2× 9 × 9 × 9×2×9

Sagot :

a. 4^2
b. 5^4
c. 3 x 7^4
d. 2^2 x 9^4

Step-by-step explanation:

4^2

5^4

3^1×7^4

2^2 ×9^4